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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.303 by root, Wed Jul 11 15:57:31 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	package cf;
522		598
523	#############################################################################	599	#############################################################################
524		600
525	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
526		602
…		…
528	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")
529	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
530		606
531	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>
532	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
533	crossfire+).	609	Crossfire TRT).
534		610
535	=over 4	611	=over 4
536		612
537	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
538		614
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	729	our @CB_MAP = ();
654		730
655	my %attachment;	731	my %attachment;
656		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
657	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
659		741
660	use sort 'stable';	742	use sort 'stable';
661		743
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
696		778
697	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		783
702	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	785	my $pkg = shift @arg;
704		786
705	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
735	}	817	}
736		818
737	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
738	} else {	820	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	822	}
741		823
742	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
743	}	825	}
744		826
…		…
746	if (ref $_[0]) {	828	if (ref $_[0]) {
747	_object_attach @_;	829	_object_attach @_;
748	} else {	830	} else {
749	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
750	}	832	}
		833	_recalc_want;
751	};	834	};
752		835
753	# all those should be optimised	836	# all those should be optimised
754	sub cf::attachable::detach {	837	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
759	reattach ($obj);	842	reattach ($obj);
760	} else {	843	} else {
761	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
762	}	845	}
		846	_recalc_want;
763	};	847	};
764		848
765	sub cf::attachable::attached {	849	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
767		851
…		…
832	# object support	916	# object support
833		917
834	sub reattach {	918	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		923
838	my $registry = $obj->registry;	924	my $registry = $obj->registry;
839		925
840	@$registry = ();	926	@$registry = ();
841		927
…		…
888	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
889		975
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	980	close $fh;
895		981
896	if (@$objs) {	982	if (@$objs) {
897	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) {
898	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	988	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
904	}	990	}
905	} else {	991	} else {
906	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
938	or return;	1024	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1026	}
941		1027
942	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1030	return ($data, $av);
945	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
946		1038
947	#############################################################################	1039	#############################################################################
948	# command handling &c	1040	# command handling &c
949		1041
950	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1056	}
965		1057
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1059
968	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.
969		1065
970	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
971	called.	1067	called.
972		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
973	=cut	1080	=cut
974		1081
975	sub register_extcmd {	1082	sub register_extcmd {
976	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
977		1084
978	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
979	}	1092	}
980		1093
981	cf::player->attach (	1094	cf::player->attach (
982	on_command => sub {	1095	on_command => sub {
983	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
992	cf::override;	1105	cf::override;
993	},	1106	},
994	on_extcmd => sub {	1107	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
996		1109
997	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1111
999	if (ref $msg) {	1112	if (ref $msg) {
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
1002	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1008		1121
1009	cf::override;	1122	cf::override;
1010	},	1123	},
1011	);	1124	);
1012		1125
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
1041	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1131	next unless -r $path;
1043	eval {	1132
1044	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;
1045	1	1190	}
1046	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
1047	}	1196	};
1048	}	1197	}
1049		1198
1050	#############################################################################	1199	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1200
1053	*cf::mapsupport::on_clean = sub {	1201	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1202
1066	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
1067		1204
1068	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
1069		1206
…		…
1082	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
1083		1220
1084	=cut	1221	=cut
1085		1222
1086	sub playerdir($) {	1223	sub playerdir($) {
1087	cf::localdir	1224	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1226	}
1093		1227
1094	sub path($) {	1228	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1230
1097	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
1098	}	1232	}
1099		1233
1100	sub find_active($) {	1234	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
1105		1239
1106	sub exists($) {	1240	sub exists($) {
1107	my ($login) = @_;	1241	my ($login) = @_;
1108		1242
1109	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
1111	}	1245	}
1112		1246
1113	sub find($) {	1247	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1249	my $login = $_[0];
1116		1250
1117	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
1118		1252
1119	$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
1120	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
1121	or return;	1262	or return;
1122	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
1123	}	1264	}
1124	}	1265	}
…		…
1161		1302
1162	=cut	1303	=cut
1163		1304
1164	sub quit_character {	1305	sub quit_character {
1165	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1166		1309
1167	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1168	$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
1169		1312
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1179	$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
1180	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;
1181	}	1344	}
1182		1345
1183	=item cf::player::list_logins	1346	=item cf::player::list_logins
1184		1347
1185	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
1186	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1187		1350
1188	=cut	1351	=cut
1189		1352
1190	sub list_logins {	1353	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1355	or return [];
1193		1356
1194	my @logins;	1357	my @logins;
1195		1358
1196	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1205	\@logins	1368	\@logins
1206	}	1369	}
1207		1370
1208	=item $player->maps	1371	=item $player->maps
1209		1372
1210	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
1211	player. May block.	1374	player. May block.
1212		1375
1213	=cut	1376	=cut
1214		1377
1215	sub maps($) {	1378	sub maps($) {
1216	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1382
1218	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1219	or return;	1384	or return;
1220		1385
1221	my @paths;	1386	my @paths;
…		…
1223	for (@$files) {	1388	for (@$files) {
1224	utf8::decode $_;	1389	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1227		1392
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1393	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1394	}
1230		1395
1231	\@paths	1396	\@paths
1232	}	1397	}
1233		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
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1235		1450
1236	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1237		1452
1238	=cut	1453	=cut
1239		1454
1240	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1242		1457
1243	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1244		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1460	}
1247		1461
1248	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		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	}
1249		1502
1250	=back	1503	=back
1251
1252		1504
1253	=head3 cf::map	1505	=head3 cf::map
1254		1506
1255	=over 4	1507	=over 4
1256		1508
…		…
1259	package cf::map;	1511	package cf::map;
1260		1512
1261	use Fcntl;	1513	use Fcntl;
1262	use Coro::AIO;	1514	use Coro::AIO;
1263		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1264	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1266		1522
1267	sub generate_random_map {	1523	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1526	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1538	)
1285	}	1539	}
1286		1540
		1541	=item cf::map->register ($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 $self;
		1621	}
		1622	}
		1623
		1624	Carp::carp "unable to resolve path '$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
1287	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1288	# all maps in C++...	1669	# all maps in C++...
1289	sub change_all_map_light {	1670	sub change_all_map_light {
1290	my ($change) = @_;	1671	my ($change) = @_;
1291		1672
1292	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1294	}	1675	}
1295		1676
		1677	sub decay_objects {
		1678	my ($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
1296	sub load_map_header($) {	1693	sub load_header_from($) {
1297	my ($path) = @_;	1694	my ($self, $path) = @_;
1298		1695
1299	utf8::encode $path;	1696	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1301	or return;	1701	or return;
1302		1702
1303	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
1304	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1305		1749
1306	# for better error messages only, will be overwritten later	1750	$self->{deny_reset} = 1
1307	$map->path ($path);	1751	if $self->no_reset;
1308		1752
1309	$map->load_header ($path)	1753	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1754	unless $self->default_region;
1311		1755
1312	$map->{load_path} = $path;	1756	1
1313
1314	$map
1315	}	1757	}
1316		1758
1317	sub find;	1759	sub find;
1318	sub find {	1760	sub find {
1319	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1320		1762
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1763	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1764
1326	cf::lock_wait "map_find:$key";	1765	cf::lock_wait "map_find:$path";
1327		1766
1328	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1768	my $guard = cf::lock_acquire "map_find:$path";
1330		1769	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1770	or return;
1345		1771
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1358		1773
1359	Coro::cede;	1774	$map->load_header
		1775	or return;
1360		1776
1361	if ($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;
1362	$map->reset;	1780	$map->reset;
1363	undef $guard;	1781	undef $guard;
1364	$map = find $path	1782	return find $path;
1365	or return;
1366	}	1783	}
1367		1784
1368	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1369	}	1786	}
1370	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1371		1791
1372	sub load {	1792	sub load {
1373	my ($self) = @_;	1793	my ($self) = @_;
1374		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1375	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1800	my $guard = cf::lock_acquire "map_load:$path";
1377		1801
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1803
1380	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1381		1805
1382	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1383	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1812	or return;
1385		1813
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1815	if delete $self->{load_original};
1388		1816
1389	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1818	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1820	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1394	}	1822	}
1395	}	1823	}
1396		1824
1397	Coro::cede;	1825	Coro::cede;
1398
1399	# now do the right thing for maps	1826	# now do the right thing for maps
1400	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1411	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;
1412	$self->activate;	1839	$self->activate;
1413	}	1840	}
1414		1841
1415	Coro::cede;
1416
1417	$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	$self
1418	}	1858	}
1419		1859
1420	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1861	sub load_diag {
1422	my ($map) = @_;	1862	my ($map) = @_;
…		…
1452		1892
1453	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1454	}	1894	}
1455		1895
1456	our %MAP_PREFETCH;	1896	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1897	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1898
1472	sub find_async {	1899	sub find_async {
1473	my ($path, $origin) = @_;	1900	my ($path, $origin) = @_;
1474		1901
1475	$path = new cf::path $path, $origin && $origin->path;	1902	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1903
1478	if (my $map = $cf::MAP{$key}) {	1904	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1906	}
1481		1907
1482	$MAP_PREFETCH{$key} = $path;	1908	undef $MAP_PREFETCH{$path};
		1909	$MAP_PREFETCHER ||= cf::async {
		1910	while (%MAP_PREFETCH) {
		1911	for my $path (keys %MAP_PREFETCH) {
		1912	my $map = find $path
		1913	or next;
		1914	$map->load;
		1915
		1916	delete $MAP_PREFETCH{$path};
		1917	}
		1918	}
		1919	undef $MAP_PREFETCHER;
		1920	};
1483	$MAP_PREFETCHER->ready;	1921	$MAP_PREFETCHER->prio (6);
1484		1922
1485	()	1923	()
1486	}	1924	}
1487		1925
1488	sub save {	1926	sub save {
…		…
1492		1930
1493	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1494		1932
1495	return unless $self->dirty;	1933	return unless $self->dirty;
1496		1934
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1935	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1937
1500	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1501		1939
1502	return if $self->{deny_save};	1940	return if $self->{deny_save};
1503		1941
…		…
1506	cf::async {	1944	cf::async {
1507	$_->contr->save for $self->players;	1945	$_->contr->save for $self->players;
1508	};	1946	};
1509		1947
1510	if ($uniq) {	1948	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1951	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	1953	}
1516	}	1954	}
1517		1955
1518	sub swap_out {	1956	sub swap_out {
1519	my ($self) = @_;	1957	my ($self) = @_;
…		…
1533		1971
1534	sub reset_at {	1972	sub reset_at {
1535	my ($self) = @_;	1973	my ($self) = @_;
1536		1974
1537	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1540		1977
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		1980
…		…
1548	my ($self) = @_;	1985	my ($self) = @_;
1549		1986
1550	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1551	}	1988	}
1552		1989
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->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};
		2010
		2011	$self->clear;
1585		2012
1586	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1587		2014
1588	$self->unlink_save;	2015	$self->unlink_save;
1589	$self->destroy;	2016	$self->destroy;
…		…
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, $y);
1773	}	2259	}
1774		2260
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
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)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1809	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1810		2271
1811	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
1813		2274
1814	$path = new cf::path $path;	2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2277
1816	$self->enter_link;	2278	$self->enter_link;
1817		2279
1818	(async {	2280	(async {
		2281	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1821		2286	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
1826		2290
		2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
		2297	}
		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1828	})->prio (1);	2303	})->prio (1);
1829	}	2304	}
1830		2305
1831	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1832		2307
…		…
1834		2309
1835	sub parse_random_map_params {	2310	sub parse_random_map_params {
1836	my ($spec) = @_;	2311	my ($spec) = @_;
1837		2312
1838	my $rmp = { # defaults	2313	my $rmp = { # defaults
1839	xsize => 10,	2314	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2315	ysize => (cf::rndm 15, 40),
		2316	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2317	#layout => string,
1841	};	2318	};
1842		2319
1843	for (split /\n/, $spec) {	2320	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2321	my ($k, $v) = split /\s+/, $_, 2;
1845		2322
…		…
1849	$rmp	2326	$rmp
1850	}	2327	}
1851		2328
1852	sub prepare_random_map {	2329	sub prepare_random_map {
1853	my ($exit) = @_;	2330	my ($exit) = @_;
		2331
		2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2333
1855	# all this does is basically replace the /! path by	2334	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2335	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2336	# that depends on the exit object
1858		2337
1859	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1860		2339
1861	if ($exit->map) {	2340	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1866	}	2345	}
1867		2346
1868	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1869		2348
1870	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
		2351	my $meta = "$RANDOMDIR/$md5.meta";
1872		2352
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
		2355	undef $fh;
		2356	aio_rename "$meta~", $meta;
1875		2357
1876	$exit->slaying ("?random/$md5");	2358	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2359	$exit->msg (undef);
1878	}	2360	}
1879	}	2361	}
…		…
1881	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1883		2365
1884	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1885		2367
		2368	if ($exit->slaying eq "/!") {
		2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
		2372	cf::sync_job { prepare_random_map $exit };
		2373	}
		2374
		2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2376	my $hp = $exit->stats->hp;
		2377	my $sp = $exit->stats->sp;
		2378
1886	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
1887		2384
1888	(async {	2385	(async {
1889	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2387	unless (eval {
1891	prepare_random_map $exit	2388	$self->goto ($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		2389
1897	1;	2390	1;
1898	}) {	2391	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2393	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2396
1904	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2398	$self->leave_link;
1906	}	2399	}
1907	})->prio (1);	2400	})->prio (1);
…		…
1920		2413
1921	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1923		2416
1924	utf8::encode $text;	2417	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2419	}
1927		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	$msg{msgtype} = "event_$type";
		2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2472	}
1928		2473
1929	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1930		2475
1931	Queues a query to the client, calling the given callback with	2476	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>,	2477	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>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2479
1935	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2481	become reliable at some point in the future.
1937		2482
1938	=cut	2483	=cut
1939		2484
1940	sub cf::client::query {	2485	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2494	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2496
1952	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1954	}	2501	}
1955		2502
1956	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
1957	on_reply => sub {	2509	on_reply => sub {
1958	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1959		2511
1960	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1961	# get handled first	2513	# get handled first
1962	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2515	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2516
1965	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2519
1967	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1968		2521
1969	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2523	if (@$queue) {
…		…
1972	} else {	2525	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2527	}
1975	}	2528	}
1976	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
1977	);	2548	);
1978		2549
1979	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
1980		2551
1981	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2028		2599
2029	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2030		2601
2031	=pod	2602	=pod
2032		2603
2033	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2034		2605
2035	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2036	cf::object::player player	2610	cf::object::player
2037	cf::player peaceful	2611	player
2038	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2039		2618
2040	=cut	2619	=cut
2041		2620
2042	for (	2621	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2044	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2047	) {	2627	) {
2048	no strict 'refs';	2628	no strict 'refs';
…		…
2119	=back	2699	=back
2120		2700
2121	=cut	2701	=cut
2122		2702
2123	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2124		2705
2125	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2126		2708
2127	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2710
2131	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2132	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2133		2714
2134	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2135		2716
2136	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2137		2719
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	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2174		2722
2175	my $pid;	2723	while (my ($face, $info) = each %$faces) {
		2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2725	cf::face::set_visibility $idx, $info->{visibility};
		2726	cf::face::set_magicmap $idx, $info->{magicmap};
		2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2176		2729
2177	sub db_save() {	2730	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]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2731	}
2223	);
2224	}
2225		2732
2226	#############################################################################	2733	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2734	next unless $info->{smooth};
		2735	my $idx = cf::face::find $face
		2736	or next;
		2737	if (my $smooth = cf::face::find $info->{smooth}) {
		2738	cf::face::set_smooth $idx, $smooth;
		2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2740	} else {
		2741	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2742	}
		2743
		2744	cf::cede_to_tick;
		2745	}
		2746	}
		2747
		2748	{
		2749	my $anims = $facedata->{animinfo};
		2750
		2751	while (my ($anim, $info) = each %$anims) {
		2752	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2753	cf::cede_to_tick;
		2754	}
		2755
		2756	cf::anim::invalidate_all; # d'oh
		2757	}
		2758
		2759	{
		2760	# TODO: for gcfclient pleasure, we should give resources
		2761	# that gcfclient doesn't grok a >10000 face index.
		2762	my $res = $facedata->{resource};
		2763	my $enc = JSON::XS->new->utf8->canonical;
		2764
		2765	while (my ($name, $info) = each %$res) {
		2766	my $meta = $enc->encode ({
		2767	name => $name,
		2768	type => $info->{type},
		2769	copyright => $info->{copyright}, #TODO#
		2770	});
		2771	my $data = pack "(w/a*)*", $meta, $info->{data};
		2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2773
		2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2775	cf::face::set_type $idx, 1;
		2776	cf::face::set_data $idx, 0, $data, $chk;
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	1
		2783	}
		2784
		2785	sub reload_regions {
		2786	load_resource_file "$MAPDIR/regions"
		2787	or die "unable to load regions file\n";
		2788	}
		2789
		2790	sub reload_facedata {
		2791	load_facedata "$DATADIR/facedata"
		2792	or die "unable to load facedata\n";
		2793	}
		2794
		2795	sub reload_archetypes {
		2796	load_resource_file "$DATADIR/archetypes"
		2797	or die "unable to load archetypes\n";
		2798	#d# NEED to laod twice to resolve forward references
		2799	# this really needs to be done in an extra post-pass
		2800	# (which needs to be synchronous, so solve it differently)
		2801	load_resource_file "$DATADIR/archetypes"
		2802	or die "unable to load archetypes\n";
		2803	}
		2804
		2805	sub reload_treasures {
		2806	load_resource_file "$DATADIR/treasures"
		2807	or die "unable to load treasurelists\n";
		2808	}
		2809
		2810	sub reload_resources {
		2811	warn "reloading resource files...\n";
		2812
		2813	reload_regions;
		2814	reload_facedata;
		2815	#reload_archetypes;#d#
		2816	reload_archetypes;
		2817	reload_treasures;
		2818
		2819	warn "finished reloading resource files\n";
		2820	}
		2821
		2822	sub init {
		2823	reload_resources;
		2824	}
2228		2825
2229	sub cfg_load {	2826	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2827	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2828	or return;
2232		2829
2233	local $/;	2830	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2831	*CFG = YAML::Syck::Load <$fh>;
2235		2832
…		…
2249		2846
2250	sub main {	2847	sub main {
2251	# we must not ever block the main coroutine	2848	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2849	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2850	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2851	(async {
2254	async { Event::one_event };	2852	Event::one_event;
		2853	})->prio (Coro::PRIO_MAX);
2255	};	2854	};
2256		2855
2257	cfg_load;	2856	cfg_load;
2258	db_load;	2857	db_init;
2259	load_extensions;	2858	load_extensions;
		2859
		2860	$TICK_WATCHER->start;
2260	Event::loop;	2861	Event::loop;
2261	}	2862	}
2262		2863
2263	#############################################################################	2864	#############################################################################
2264	# initialisation and cleanup	2865	# initialisation and cleanup
2265		2866
2266	# install some emergency cleanup handlers	2867	# install some emergency cleanup handlers
2267	BEGIN {	2868	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2869	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2870	Event->signal (
		2871	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2271	signal => $signal,	2873	signal => $signal,
		2874	prio => 0,
2272	cb => sub {	2875	cb => sub {
2273	cf::cleanup "SIG$signal";	2876	cf::cleanup "SIG$signal";
2274	},	2877	},
2275	);	2878	);
2276	}	2879	}
2277	}	2880	}
2278		2881
		2882	sub write_runtime {
		2883	my $runtime = "$LOCALDIR/runtime";
		2884
		2885	# first touch the runtime file to show we are still running:
		2886	# the fsync below can take a very very long time.
		2887
		2888	IO::AIO::aio_utime $runtime, undef, undef;
		2889
		2890	my $guard = cf::lock_acquire "write_runtime";
		2891
		2892	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2893	or return;
		2894
		2895	my $value = $cf::RUNTIME + 90 + 10;
		2896	# 10 is the runtime save interval, for a monotonic clock
		2897	# 60 allows for the watchdog to kill the server.
		2898
		2899	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2900	and return;
		2901
		2902	# always fsync - this file is important
		2903	aio_fsync $fh
		2904	and return;
		2905
		2906	# touch it again to show we are up-to-date
		2907	aio_utime $fh, undef, undef;
		2908
		2909	close $fh
		2910	or return;
		2911
		2912	aio_rename "$runtime~", $runtime
		2913	and return;
		2914
		2915	warn "runtime file written.\n";
		2916
		2917	1
		2918	}
		2919
2279	sub emergency_save() {	2920	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	2921	my $freeze_guard = cf::freeze_mainloop;
2281		2922
2282	warn "enter emergency perl save\n";	2923	warn "enter emergency perl save\n";
2283		2924
2284	cf::sync_job {	2925	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2926	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2927	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2928	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2929	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2930	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2931	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2932	$pl->valid or next;
2292	$pl->save;	2933	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2939	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2940	$map->valid or next;
2300	$map->save;	2941	$map->save;
2301	}	2942	}
2302	warn "end emergency map save\n";	2943	warn "end emergency map save\n";
		2944
		2945	warn "begin emergency database checkpoint\n";
		2946	BDB::db_env_txn_checkpoint $DB_ENV;
		2947	warn "end emergency database checkpoint\n";
2303	};	2948	};
2304		2949
2305	warn "leave emergency perl save\n";	2950	warn "leave emergency perl save\n";
2306	}	2951	}
2307		2952
		2953	sub post_cleanup {
		2954	my ($make_core) = @_;
		2955
		2956	warn Carp::longmess "post_cleanup backtrace"
		2957	if $make_core;
		2958	}
		2959
2308	sub reload() {	2960	sub do_reload_perl() {
2309	# can/must only be called in main	2961	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2962	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2963	warn "can only reload from main coroutine";
2312	return;	2964	return;
2313	}	2965	}
2314		2966
2315	warn "reloading...";	2967	warn "reloading...";
2316		2968
2317	warn "freezing server";	2969	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2970
		2971	cf::sync_job {
		2972	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2973	cf::emergency_save;
		2974	cf::write_runtime; # external watchdog should not bark
2320		2975
2321	warn "sync database to disk";	2976	warn "syncing database to disk";
2322	cf::db_sync;	2977	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2978
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2979	# if anything goes wrong in here, we should simply crash as we already saved
2327		2980
2328	warn "cancel all watchers";	2981	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2982	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2984	}
2332		2985
		2986	warn "flushing outstanding aio requests";
		2987	for (;;) {
		2988	BDB::flush;
		2989	IO::AIO::flush;
		2990	Coro::cede;
		2991	last unless IO::AIO::nreqs || BDB::nreqs;
		2992	warn "iterate...";
		2993	}
		2994
		2995	++$RELOAD;
		2996
2333	warn "cancel all extension coros";	2997	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2998	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2999	%EXT_CORO = ();
2336		3000
2337	warn "remove commands";	3001	warn "removing commands";
2338	%COMMAND = ();	3002	%COMMAND = ();
2339		3003
2340	warn "remove ext commands";	3004	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3005	%EXTCMD = ();
		3006	%EXTICMD = ();
2342		3007
2343	warn "unload/nuke all extensions";	3008	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3009	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3010	warn "... unloading $pkg";
2346		3011
2347	if (my $cb = $pkg->can ("unload")) {	3012	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3013	eval {
…		…
2353		3018
2354	warn "... nuking $pkg";	3019	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3020	Symbol::delete_package $pkg;
2356	}	3021	}
2357		3022
2358	warn "unload all perl modules loaded from $LIBDIR";	3023	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3024	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3025	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3026
2362	warn "removing <$k>";	3027	warn "... unloading $k";
2363	delete $INC{$k};	3028	delete $INC{$k};
2364		3029
2365	$k =~ s/\.pm$//;	3030	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3031	$k =~ s/\//::/g;
2367		3032
…		…
2370	}	3035	}
2371		3036
2372	Symbol::delete_package $k;	3037	Symbol::delete_package $k;
2373	}	3038	}
2374		3039
2375	warn "get rid of safe::, as good as possible";	3040	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3041	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3042	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3043
2379	warn "unload cf.pm \"a bit\"";	3044	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3045	delete $INC{"cf.pm"};
		3046	delete $INC{"cf/pod.pm"};
2381		3047
2382	# don't, removes xs symbols, too,	3048	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3049	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3050	#Symbol::delete_package __PACKAGE__;
2385		3051
		3052	warn "unload completed, starting to reload now";
		3053
2386	warn "reloading cf.pm";	3054	warn "reloading cf.pm";
2387	require cf;	3055	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3057
2390	warn "load config and database again";	3058	warn "loading config and database again";
2391	cf::cfg_load;	3059	cf::cfg_load;
2392	cf::db_load;
2393		3060
2394	warn "load extensions";	3061	warn "loading extensions";
2395	cf::load_extensions;	3062	cf::load_extensions;
2396		3063
2397	warn "reattach attachments to objects/players";	3064	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3065	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3066	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3067	reattach $_ for values %MAP;
2401	};	3068	warn "reattaching attachments to players";
		3069	reattach $_ for values %PLAYER;
2402		3070
2403	if ($@) {	3071	warn "leaving sync_job";
		3072
		3073	1
		3074	} or do {
2404	warn $@;	3075	warn $@;
2405	warn "error while reloading, exiting.";	3076	warn "error while reloading, exiting.";
2406	exit 1;	3077	exit 1;
2407	}	3078	};
2408		3079
2409	warn "reloaded";	3080	warn "reloaded";
2410	};	3081	};
2411		3082
2412	#############################################################################	3083	our $RELOAD_WATCHER; # used only during reload
2413		3084
2414	unless ($LINK_MAP) {	3085	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3086	# doing reload synchronously and two reloads happen back-to-back,
		3087	# coro crashes during coro_state_free->destroy here.
2416		3088
2417	$LINK_MAP->width (41);	3089	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3090	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,	3091	after => 0,
		3092	data => WF_AUTOCANCEL,
2427	cb => sub {	3093	cb => sub {
2428	$_[0]->w->cancel;	3094	do_reload_perl;
2429		3095	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	});	3096	},
2448		3097	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3098	}
2454		3099
2455	register_command "reload" => sub {	3100	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3101	my ($who, $arg) = @_;
2457		3102
2458	if ($who->flag (FLAG_WIZ)) {	3103	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3104	$who->message ("reloading server.");
		3105	async { reload_perl };
2462	}	3106	}
2463	};	3107	};
2464		3108
2465	unshift @INC, $LIBDIR;	3109	unshift @INC, $LIBDIR;
2466		3110
		3111	my $bug_warning = 0;
		3112
		3113	our @WAIT_FOR_TICK;
		3114	our @WAIT_FOR_TICK_BEGIN;
		3115
		3116	sub wait_for_tick {
		3117	return unless $TICK_WATCHER->is_active;
		3118	return if $Coro::current == $Coro::main;
		3119
		3120	my $signal = new Coro::Signal;
		3121	push @WAIT_FOR_TICK, $signal;
		3122	$signal->wait;
		3123	}
		3124
		3125	sub wait_for_tick_begin {
		3126	return unless $TICK_WATCHER->is_active;
		3127	return if $Coro::current == $Coro::main;
		3128
		3129	my $signal = new Coro::Signal;
		3130	push @WAIT_FOR_TICK_BEGIN, $signal;
		3131	$signal->wait;
		3132	}
		3133
		3134	my $min = 1e6;#d#
		3135	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3136	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3137	reentrant => 0,
		3138	parked => 1,
2469	prio => 0,	3139	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3140	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3141	data => WF_AUTOCANCEL,
2472	cb => sub {	3142	cb => sub {
		3143	if ($Coro::current != $Coro::main) {
		3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3145	unless ++$bug_warning > 10;
		3146	return;
		3147	}
		3148
2473	$NOW = Event::time;	3149	$NOW = $tick_start = Event::time;
2474		3150
2475	cf::server_tick; # one server iteration	3151	cf::server_tick; # one server iteration
		3152
		3153	0 && sync_job {#d#
		3154	for(1..10) {
		3155	my $t = Event::time;
		3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3157	or die;
		3158
		3159	$map->width (50);
		3160	$map->height (50);
		3161	$map->alloc;
		3162	$map->_load_objects ("/tmp/x.map", 1);
		3163	my $t = Event::time - $t;
		3164
		3165	#next unless $t < 0.0013;#d#
		3166	if ($t < $min) {
		3167	$min = $t;
		3168	}
		3169	$avg = $avg * 0.99 + $t * 0.01;
		3170	}
		3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3172	exit 0;
		3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3174	};
		3175
2476	$RUNTIME += $TICK;	3176	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3177	$NEXT_TICK += $TICK;
2478		3178
2479	$WAIT_FOR_TICK->broadcast;	3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3181	Coro::async_pool {
		3182	write_runtime
		3183	or warn "ERROR: unable to write runtime file: $!";
		3184	};
		3185	}
		3186
		3187	# my $AFTER = Event::time;
		3188	# warn $AFTER - $NOW;#d#
		3189
		3190	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3191	$sig->send;
		3192	}
		3193	while (my $sig = shift @WAIT_FOR_TICK) {
		3194	$sig->send;
		3195	}
		3196
		3197	$NOW = Event::time;
2481		3198
2482	# if we are delayed by four ticks or more, skip them all	3199	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3201
2485	$TICK_WATCHER->at ($NEXT_TICK);	3202	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	3203	$TICK_WATCHER->start;
		3204
		3205	$LOAD = ($NOW - $tick_start) / $TICK;
		3206	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3207
		3208	_post_tick;
		3209
		3210
2487	},	3211	},
2488	);	3212	);
2489		3213
		3214	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3215	BDB::max_poll_time $TICK * 0.1;
2491		3216	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3217	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3218	fd => BDB::poll_fileno,
2494	poll => 'r',	3219	poll => 'r',
2495	prio => 5,	3220	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3221	data => WF_AUTOCANCEL,
2502	after => 0,	3222	cb => \&BDB::poll_cb,
2503	interval => 10,	3223	);
2504	cb => sub {	3224	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3225
2506	write_runtime	3226	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	3227	my $status;
		3228	my $current = $Coro::current;
		3229	(
		3230	sub {
		3231	$status = $!;
		3232	$current->ready; undef $current;
		3233	},
		3234	sub {
		3235	Coro::schedule while defined $current;
		3236	$! = $status;
		3237	},
		3238	)
		3239	};
		3240
		3241	unless ($DB_ENV) {
		3242	$DB_ENV = BDB::db_env_create;
		3243
		3244	cf::sync_job {
		3245	eval {
		3246	BDB::db_env_open
		3247	$DB_ENV,
		3248	$BDBDIR,
		3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3251	0666;
		3252
		3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3254
		3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3256	$DB_ENV->set_lk_detect;
		3257	};
		3258
		3259	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3260	};
2509	},	3261	}
2510	);	3262	}
		3263
		3264	{
		3265	IO::AIO::min_parallel 8;
		3266
		3267	undef $Coro::AIO::WATCHER;
		3268	IO::AIO::max_poll_time $TICK * 0.1;
		3269	$AIO_POLL_WATCHER = Event->io (
		3270	reentrant => 0,
		3271	data => WF_AUTOCANCEL,
		3272	fd => IO::AIO::poll_fileno,
		3273	poll => 'r',
		3274	prio => 6,
		3275	cb => \&IO::AIO::poll_cb,
		3276	);
		3277	}
		3278
		3279	my $_log_backtrace;
		3280
		3281	sub _log_backtrace {
		3282	my ($msg, @addr) = @_;
		3283
		3284	$msg =~ s/\n//;
		3285
		3286	# limit the # of concurrent backtraces
		3287	if ($_log_backtrace < 2) {
		3288	++$_log_backtrace;
		3289	async {
		3290	my @bt = fork_call {
		3291	@addr = map { sprintf "%x", $_ } @addr;
		3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3294	or die "addr2line: $!";
		3295
		3296	my @funcs;
		3297	my @res = <$fh>;
		3298	chomp for @res;
		3299	while (@res) {
		3300	my ($func, $line) = splice @res, 0, 2, ();
		3301	push @funcs, "[$func] $line";
		3302	}
		3303
		3304	@funcs
		3305	};
		3306
		3307	LOG llevInfo, "[ABT] $msg\n";
		3308	LOG llevInfo, "[ABT] $_\n" for @bt;
		3309	--$_log_backtrace;
		3310	};
		3311	} else {
		3312	LOG llevInfo, "[ABT] $msg\n";
		3313	LOG llevInfo, "[ABT] [suppressed]\n";
		3314	}
		3315	}
		3316
		3317	# load additional modules
		3318	use cf::pod;
2511		3319
2512	END { cf::emergency_save }	3320	END { cf::emergency_save }
2513		3321
2514	1	3322	1
2515		3323

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