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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.195 by root, Fri Jan 26 20:59:57 2007 UTC vs.
Revision 1.304 by root, Wed Jul 11 16:55:18 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 3.5 ();	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;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	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;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	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
101	every server tick.	132	every server tick.
102		133
103	=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
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	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.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		171
128	=back	172	=back
129		173
130	=cut	174	=cut
131		175
132	BEGIN {	176	BEGIN {
133	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	178	my $msg = join "", @_;
135	utf8::encode $msg;
136		179
137	$msg .= "\n"	180	$msg .= "\n"
138	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
139		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
140	LOG llevError, $msg;	186	LOG llevError, $msg;
141	};	187	};
142	}	188	}
143		189
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		197
151	# 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
152	# within the Safe compartment.	199	# within the Safe compartment.
153	for my $pkg (qw(	200	for my $pkg (qw(
154	cf::global cf::attachable	201	cf::global cf::attachable
…		…
162	}	209	}
163		210
164	$Event::DIED = sub {	211	$Event::DIED = sub {
165	warn "error in event callback: @_";	212	warn "error in event callback: @_";
166	};	213	};
		214
		215	#############################################################################
167		216
168	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
169		218
170	=over 4	219	=over 4
171		220
…		…
190	$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;
191	$d	240	$d
192	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
193	}	242	}
194		243
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
198		245
199	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
200		247
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
209		249
210	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
211		251
212	=cut	252	=cut
213		253
214	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
216	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
218		258
219	=item cf::lock_wait $string	259	=item cf::lock_wait $string
220		260
221	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
222		262
…		…
228	returned.	268	returned.
229		269
230	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
231	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
232		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
233	=cut	277	=cut
234		278
235	our %LOCK;	279	our %LOCK;
236		280
237	sub lock_wait($) {	281	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
258	}	302	}
259	}	303	}
260		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
261	sub freeze_mainloop {	311	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
263		313
264	my $guard = Coro::guard {	314	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	315	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	316	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
270	$guard	318	$guard
271	}	319	}
272		320
273	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
280		328
281	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
282		330
283	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
284		332
285	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
288		337
289	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
292	fast or be very important.	341	fast or be very important.
…		…
295		344
296	sub sync_job(&) {	345	sub sync_job(&) {
297	my ($job) = @_;	346	my ($job) = @_;
298		347
299	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
300	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
302		353
303	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
315		366
316	while ($busy) {	367	while ($busy) {
317	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
318	}	369	}
319		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
320	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
321	} else {	379	} else {
322	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
323		381
324	$job->()	382	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
344		402
345	$coro	403	$coro
346	}	404	}
347		405
348	sub write_runtime {	406	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		407
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
352	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.
353		412
354	my $value = $cf::RUNTIME + 90 + 10;	413	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		414
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	415	sub _store_scalar {
359	and return;	416	open my $fh, ">", \my $buf
360		417	or die "fork_call: cannot open fh-to-buf in child : $!";
361	aio_fsync $fh	418	Storable::store_fd $_[0], $fh;
362	and return;
363
364	close $fh	419	close $fh;
365	or return;
366		420
367	aio_rename "$runtime~", $runtime	421	$buf
368	and return;	422	}
369		423
		424	sub fork_call(&@) {
		425	my ($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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
370	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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 });
371	}	593	}
372		594
373	=back	595	=back
374		596
375	=cut	597	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
384		606
385	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>
386	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
387	crossfire+).	609	Crossfire TRT).
388		610
389	=over 4	611	=over 4
390		612
391	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
392		614
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
556		778
557	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		783
562	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	785	my $pkg = shift @arg;
564		786
565	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
595	}	817	}
596		818
597	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
598	} else {	820	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	822	}
601		823
602	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
603	}	825	}
604		826
…		…
606	if (ref $_[0]) {	828	if (ref $_[0]) {
607	_object_attach @_;	829	_object_attach @_;
608	} else {	830	} else {
609	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
610	}	832	}
		833	_recalc_want;
611	};	834	};
612		835
613	# all those should be optimised	836	# all those should be optimised
614	sub cf::attachable::detach {	837	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
619	reattach ($obj);	842	reattach ($obj);
620	} else {	843	} else {
621	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
622	}	845	}
		846	_recalc_want;
623	};	847	};
624		848
625	sub cf::attachable::attached {	849	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
627		851
…		…
750	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
751		975
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	980	close $fh;
757		981
758	if (@$objs) {	982	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	988	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
766	}	990	}
767	} else {	991	} else {
768	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
800	or return;	1024	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1026	}
803		1027
804	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1030	return ($data, $av);
807	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
808		1038
809	#############################################################################	1039	#############################################################################
810	# command handling &c	1040	# command handling &c
811		1041
812	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1056	}
827		1057
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1059
830	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.
831		1065
832	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
833	called.	1067	called.
834		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
835	=cut	1080	=cut
836		1081
837	sub register_extcmd {	1082	sub register_extcmd {
838	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
839		1084
840	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
841	}	1092	}
842		1093
843	cf::player->attach (	1094	cf::player->attach (
844	on_command => sub {	1095	on_command => sub {
845	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1105	cf::override;
855	},	1106	},
856	on_extcmd => sub {	1107	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
858		1109
859	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1111
861	if (ref $msg) {	1112	if (ref $msg) {
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
863	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
864	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
870		1121
871	cf::override;	1122	cf::override;
872	},	1123	},
873	);	1124	);
874		1125
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
910	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1131	next unless -r $path;
912	eval {	1132
913	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;
914	1	1190	}
915	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
916	}	1196	};
917	}	1197	}
918		1198
919	#############################################################################	1199	#############################################################################
920		1200
		1201	=back
		1202
921	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
922		1204
923	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
924		1206
925	=cut	1207	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
938		1220
939	=cut	1221	=cut
940		1222
941	sub playerdir($) {	1223	sub playerdir($) {
942	cf::localdir	1224	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1226	}
948		1227
949	sub path($) {	1228	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1230
952	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
953	}	1232	}
954		1233
955	sub find_active($) {	1234	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1249	my $login = $_[0];
971		1250
972	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
973		1252
974	$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
975	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
976	or return;	1262	or return;
977	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
978	}	1264	}
979	}	1265	}
…		…
1016		1302
1017	=cut	1303	=cut
1018		1304
1019	sub quit_character {	1305	sub quit_character {
1020	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1021		1309
1022	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1023	$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
1024		1312
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1344	}
1037		1345
1038	=item cf::player::list_logins	1346	=item cf::player::list_logins
1039		1347
1040	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
1041	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1042		1350
1043	=cut	1351	=cut
1044		1352
1045	sub list_logins {	1353	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1355	or return [];
1048		1356
1049	my @logins;	1357	my @logins;
1050		1358
1051	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1068	=cut	1376	=cut
1069		1377
1070	sub maps($) {	1378	sub maps($) {
1071	my ($pl) = @_;	1379	my ($pl) = @_;
1072		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
		1382
1073	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1074	or return;	1384	or return;
1075		1385
1076	my @paths;	1386	my @paths;
1077		1387
1078	for (@$files) {	1388	for (@$files) {
1079	utf8::decode $_;	1389	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1082		1392
1083	s/\.map$//;	1393	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1394	}
1086		1395
1087	\@paths	1396	\@paths
1088	}	1397	}
1089		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
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1091		1450
1092	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1093		1452
1094	=cut	1453	=cut
1095		1454
1096	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1098		1457
1099	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1100		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1460	}
1103		1461
1104	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		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	$match
		1501	}
1105		1502
1106	=back	1503	=back
1107
1108		1504
1109	=head3 cf::map	1505	=head3 cf::map
1110		1506
1111	=over 4	1507	=over 4
1112		1508
…		…
1167	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1168		1564
1169	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1170	local $self->{path};	1566	local $self->{path};
1171	local $self->{load_path};	1567	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1568
1175	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1176	}	1570	}
1177		1571
1178	sub normalise {	1572	sub normalise {
1179	my ($path, $base) = @_;	1573	my ($path, $base) = @_;
1180		1574
1181	$path = "$path"; # make sure its a string	1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
1182		1578
1183	# map plan:	1579	# map plan:
1184	#	1580	#
1185	# /! non-realised random map exit (special hack!)	1581	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1582	# {... are special paths that are not being touched
…		…
1248		1644
1249	# the original (read-only) location	1645	# the original (read-only) location
1250	sub load_path {	1646	sub load_path {
1251	my ($self) = @_;	1647	my ($self) = @_;
1252		1648
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1254	}	1650	}
1255		1651
1256	# the temporary/swap location	1652	# the temporary/swap location
1257	sub save_path {	1653	sub save_path {
1258	my ($self) = @_;	1654	my ($self) = @_;
1259		1655
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1262	}	1658	}
1263		1659
1264	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1265	sub uniq_path {	1661	sub uniq_path {
1266	my ($self) = @_;	1662	my ($self) = @_;
1267		1663
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1270	}	1666	}
1271		1667
1272	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1273	# all maps in C++...	1669	# all maps in C++...
1274	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1276		1672
1277	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1279	}	1675	}
1280		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1281	sub unlink_save {	1685	sub unlink_save {
1282	my ($self) = @_;	1686	my ($self) = @_;
1283		1687
1284	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1692
1289	sub load_header_from($) {	1693	sub load_header_from($) {
1290	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1291		1695
1292	utf8::encode $path;	1696	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
1294	or return;	1698	# or return;
1295		1699
1296	$self->_load_header ($path)	1700	$self->_load_header ($path)
1297	or return;	1701	or return;
1298		1702
1299	$self->{load_path} = $path;	1703	$self->{load_path} = $path;
…		…
1341	$self->load_header_orig	1745	$self->load_header_orig
1342	or return;	1746	or return;
1343	$self->prepare_orig;	1747	$self->prepare_orig;
1344	}	1748	}
1345		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
		1755
1346	1	1756	1
1347	}	1757	}
1348		1758
1349	sub find;	1759	sub find;
1350	sub find {	1760	sub find {
…		…
1362	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1363		1773
1364	$map->load_header	1774	$map->load_header
1365	or return;	1775	or return;
1366		1776
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1780	$map->reset;
1371	undef $guard;	1781	undef $guard;
1372	return find $path;	1782	return find $path;
…		…
1380	sub post_load { }	1790	sub post_load { }
1381		1791
1382	sub load {	1792	sub load {
1383	my ($self) = @_;	1793	my ($self) = @_;
1384		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1385	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1386	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1387		1801
1388	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1389		1803
1390	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1391		1805
1392	$self->alloc;	1806	$self->alloc;
1393		1807
1394	$self->pre_load;	1808	$self->pre_load;
1395
1396	$self->_load_objects ($self->{load_path}, 1)
1397	or return;
1398
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1400	if delete $self->{load_original};
1401
1402	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {
1405	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);
1407	}
1408	}
1409
1410	Coro::cede;
1411
1412	# now do the right thing for maps
1413	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;	1809	Coro::cede;
1420	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1421	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	1829	unless $self->difficulty;
1423	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($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;
1424	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1425	}	1843	}
1426		1844
1427	$self->post_load;	1845	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1846	}
1431		1847
1432	sub customise_for {	1848	sub customise_for {
1433	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1434		1850
1435	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1437		1856
1438	$self	1857	$self
1439	}	1858	}
1440		1859
1441	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1552		1971
1553	sub reset_at {	1972	sub reset_at {
1554	my ($self) = @_;	1973	my ($self) = @_;
1555		1974
1556	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1559		1977
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		1980
…		…
1573	my ($self) = @_;	1991	my ($self) = @_;
1574		1992
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1994
1577	return if $self->players;	1995	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		1996
1580	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	}
1581		2008
1582	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1583		2010
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	$self->clear;	2011	$self->clear;
1586		2012
1587	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1588		2014
1589	$self->unlink_save;	2015	$self->unlink_save;
…		…
1608	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1609		2035
1610	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1611	}	2037	}
1612		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		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	]
		2073	}
		2074
1613	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1614		2076
1615	Returns an arrayref of paths 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 $_;
1628	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;
1630
1631	s/\.map$//;	2086	/\.map$/
1632	push @paths, $_;	2087	? normalise $_
		2088	: ()
		2089	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2090	]
1634
1635	\@paths
1636	}	2091	}
1637		2092
1638	package cf;	2093	package cf;
1639		2094
1640	=back	2095	=back
…		…
1686		2141
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2143
1689	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1691	} 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 {
1692	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1694	}	2163	}
1695	}	2164	}
1696		2165
1697	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1698		2167
…		…
1731	=cut	2200	=cut
1732		2201
1733	sub link_map {	2202	sub link_map {
1734	unless ($LINK_MAP) {	2203	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2204	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2206	$LINK_MAP->load;
1738	}	2207	}
1739		2208
1740	$LINK_MAP	2209	$LINK_MAP
1741	}	2210	}
…		…
1746	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1747		2216
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2218
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1752		2221
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2223	}
1755		2224
1756	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1758		2229
1759	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1760		2231
1761	unless ($map) {	2232	unless ($map) {
1762	# restore original map position	2233	# restore original map position
…		…
1780	$map->load;	2251	$map->load;
1781	$map->load_diag;	2252	$map->load_diag;
1782		2253
1783	return unless $self->contr->active;	2254	return unless $self->contr->active;
1784	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1786	}	2259	}
1787		2260
1788	cf::player->attach (
1789	on_logout => sub {
1790	my ($pl) = @_;
1791
1792	# abort map switching before logout
1793	if ($pl->ob->{_link_pos}) {
1794	cf::sync_job {
1795	$pl->ob->leave_link
1796	};
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801
1802	# try to abort aborted map switching on player login :)
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819
1820	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1821		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
1822	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1823		2271
1824	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2277
1827	$self->enter_link;	2278	$self->enter_link;
1828		2279
1829	(async {	2280	(async {
		2281	my $map = eval {
1830	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1832		2286	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1834	# if $map;
1835
1836	$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	}
1837		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};
1838	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1839	})->prio (1);	2303	})->prio (1);
1840	}	2304	}
1841		2305
1842	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1843		2307
…		…
1872	# that depends on the exit object	2336	# that depends on the exit object
1873		2337
1874	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1875		2339
1876	if ($exit->map) {	2340	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1881	}	2345	}
1882		2346
1883	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1884		2348
1885	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1886	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1888		2352
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2355	undef $fh;
1892	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1901		2365
1902	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1903		2367
1904	if ($exit->slaying eq "/!") {	2368	if ($exit->slaying eq "/!") {
1905	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1906	cf::sync_job { prepare_random_map $exit };	2372	cf::sync_job { prepare_random_map $exit };
1907	}	2373	}
1908		2374
1909	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1910	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
1911	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
1912		2378
1913	$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);
1914		2384
1915	(async {	2385	(async {
1916	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1917	unless (eval {	2387	unless (eval {
1918	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
1919		2389
1920	1;	2390	1;
1921	}) {	2391	}) {
1922	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1923	. "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. "
1924	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1925	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1926		2396
1927	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1928	$self->leave_link;	2398	$self->leave_link;
1929	}	2399	}
1930	})->prio (1);	2400	})->prio (1);
…		…
1943		2413
1944	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1945	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1946		2416
1947	utf8::encode $text;	2417	utf8::encode $text;
1948	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1949	}	2419	}
1950		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	}
1951		2473
1952	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1953		2475
1954	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1955	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>,
1956	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>.
1957		2479
1958	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
1959	reliable at some point in the future.	2481	become reliable at some point in the future.
1960		2482
1961	=cut	2483	=cut
1962		2484
1963	sub cf::client::query {	2485	sub cf::client::query {
1964	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1972	utf8::encode $text;	2494	utf8::encode $text;
1973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1974		2496
1975	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1976	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1977	}	2501	}
1978		2502
1979	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	},
1980	on_reply => sub {	2509	on_reply => sub {
1981	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1982		2511
1983	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1984	# get handled first	2513	# get handled first
1985	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1986	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
1987		2516
1988	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1989		2519
1990	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1991		2521
1992	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1993	if (@$queue) {	2523	if (@$queue) {
…		…
1995	} else {	2525	} else {
1996	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1997	}	2527	}
1998	}	2528	}
1999	},	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	},
2000	);	2548	);
2001		2549
2002	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
2003		2551
2004	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2051		2599
2052	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2053		2601
2054	=pod	2602	=pod
2055		2603
2056	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2057		2605
2058	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
2059	cf::object::player player	2610	cf::object::player
2060	cf::player peaceful	2611	player
2061	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2062		2618
2063	=cut	2619	=cut
2064		2620
2065	for (	2621	for (
2066	["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)],
2067	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2068	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2069	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2070	) {	2627	) {
2071	no strict 'refs';	2628	no strict 'refs';
…		…
2142	=back	2699	=back
2143		2700
2144	=cut	2701	=cut
2145		2702
2146	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2147		2705
2148	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2149		2708
2150	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2151	currently store anything that can be serialised using Storable, which
2152	excludes objects.
2153		2710
2154	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2155	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2156		2714
2157	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2158		2716
2159	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2160		2719
2161	Return a hashref for use by the extension C<$family>, which can be
2162	modified. After modifications, you have to call C<cf::db_dirty> or
2163	C<cf::db_sync>.
2164
2165	=item $value = cf::db_get $family => $key
2166
2167	Returns a single value from the database
2168
2169	=item cf::db_put $family => $hashref
2170
2171	Stores the given family hashref into the database. Updates are delayed, if
2172	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_put $family => $key => $value
2175
2176	Stores the given C<$value> in the family hash. Updates are delayed, if you
2177	want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_dirty
2180
2181	Marks the database as dirty, to be updated at a later time.
2182
2183	=item cf::db_sync
2184
2185	Immediately write the database to disk I<if it is dirty>.
2186
2187	=cut
2188
2189	our $DB;
2190
2191	{
2192	my $path = cf::localdir . "/database.pst";
2193
2194	sub db_load() {
2195	$DB = stat $path ? Storable::retrieve $path : { };
2196	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2197		2722
2198	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};
2199		2729
2200	sub db_save() {	2730	cf::cede_to_tick;
2201	waitpid $pid, 0 if $pid;
2202	if (0 == ($pid = fork)) {
2203	$DB->{_meta}{version} = 1;
2204	Storable::nstore $DB, "$path~";
2205	rename "$path~", $path;
2206	cf::_exit 0 if defined $pid;
2207	}
2208	}
2209
2210	my $dirty;
2211
2212	sub db_sync() {
2213	db_save if $dirty;
2214	undef $dirty;
2215	}
2216
2217	my $idle = Event->idle (
2218	reentrant => 0,
2219	min => 10,
2220	max => 20,
2221	repeat => 0,
2222	data => WF_AUTOCANCEL,
2223	cb => \&db_sync,
2224	);
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2731	}
2251	);
2252	}
2253		2732
2254	#############################################################################	2733	while (my ($face, $info) = each %$faces) {
2255	# 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	for (cf::region::list) {
		2790	$_->{match} = qr/$_->{match}/
		2791	if exists $_->{match};
		2792	}
		2793	}
		2794
		2795	sub reload_facedata {
		2796	load_facedata "$DATADIR/facedata"
		2797	or die "unable to load facedata\n";
		2798	}
		2799
		2800	sub reload_archetypes {
		2801	load_resource_file "$DATADIR/archetypes"
		2802	or die "unable to load archetypes\n";
		2803	#d# NEED to laod twice to resolve forward references
		2804	# this really needs to be done in an extra post-pass
		2805	# (which needs to be synchronous, so solve it differently)
		2806	load_resource_file "$DATADIR/archetypes"
		2807	or die "unable to load archetypes\n";
		2808	}
		2809
		2810	sub reload_treasures {
		2811	load_resource_file "$DATADIR/treasures"
		2812	or die "unable to load treasurelists\n";
		2813	}
		2814
		2815	sub reload_resources {
		2816	warn "reloading resource files...\n";
		2817
		2818	reload_regions;
		2819	reload_facedata;
		2820	#reload_archetypes;#d#
		2821	reload_archetypes;
		2822	reload_treasures;
		2823
		2824	warn "finished reloading resource files\n";
		2825	}
		2826
		2827	sub init {
		2828	reload_resources;
		2829	}
2256		2830
2257	sub cfg_load {	2831	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2832	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2833	or return;
2260		2834
2261	local $/;	2835	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2836	*CFG = YAML::Syck::Load <$fh>;
2263		2837
…		…
2283	Event::one_event;	2857	Event::one_event;
2284	})->prio (Coro::PRIO_MAX);	2858	})->prio (Coro::PRIO_MAX);
2285	};	2859	};
2286		2860
2287	cfg_load;	2861	cfg_load;
2288	db_load;	2862	db_init;
2289	load_extensions;	2863	load_extensions;
2290		2864
2291	$TICK_WATCHER->start;	2865	$TICK_WATCHER->start;
2292	Event::loop;	2866	Event::loop;
2293	}	2867	}
…		…
2308	},	2882	},
2309	);	2883	);
2310	}	2884	}
2311	}	2885	}
2312		2886
		2887	sub write_runtime {
		2888	my $runtime = "$LOCALDIR/runtime";
		2889
		2890	# first touch the runtime file to show we are still running:
		2891	# the fsync below can take a very very long time.
		2892
		2893	IO::AIO::aio_utime $runtime, undef, undef;
		2894
		2895	my $guard = cf::lock_acquire "write_runtime";
		2896
		2897	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2898	or return;
		2899
		2900	my $value = $cf::RUNTIME + 90 + 10;
		2901	# 10 is the runtime save interval, for a monotonic clock
		2902	# 60 allows for the watchdog to kill the server.
		2903
		2904	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2905	and return;
		2906
		2907	# always fsync - this file is important
		2908	aio_fsync $fh
		2909	and return;
		2910
		2911	# touch it again to show we are up-to-date
		2912	aio_utime $fh, undef, undef;
		2913
		2914	close $fh
		2915	or return;
		2916
		2917	aio_rename "$runtime~", $runtime
		2918	and return;
		2919
		2920	warn "runtime file written.\n";
		2921
		2922	1
		2923	}
		2924
2313	sub emergency_save() {	2925	sub emergency_save() {
2314	my $freeze_guard = cf::freeze_mainloop;	2926	my $freeze_guard = cf::freeze_mainloop;
2315		2927
2316	warn "enter emergency perl save\n";	2928	warn "enter emergency perl save\n";
2317		2929
…		…
2332	my $map = $cf::MAP{$path} or next;	2944	my $map = $cf::MAP{$path} or next;
2333	$map->valid or next;	2945	$map->valid or next;
2334	$map->save;	2946	$map->save;
2335	}	2947	}
2336	warn "end emergency map save\n";	2948	warn "end emergency map save\n";
		2949
		2950	warn "begin emergency database checkpoint\n";
		2951	BDB::db_env_txn_checkpoint $DB_ENV;
		2952	warn "end emergency database checkpoint\n";
2337	};	2953	};
2338		2954
2339	warn "leave emergency perl save\n";	2955	warn "leave emergency perl save\n";
2340	}	2956	}
2341		2957
		2958	sub post_cleanup {
		2959	my ($make_core) = @_;
		2960
		2961	warn Carp::longmess "post_cleanup backtrace"
		2962	if $make_core;
		2963	}
		2964
2342	sub reload() {	2965	sub do_reload_perl() {
2343	# can/must only be called in main	2966	# can/must only be called in main
2344	if ($Coro::current != $Coro::main) {	2967	if ($Coro::current != $Coro::main) {
2345	warn "can only reload from main coroutine";	2968	warn "can only reload from main coroutine";
2346	return;	2969	return;
2347	}	2970	}
2348		2971
2349	warn "reloading...";	2972	warn "reloading...";
2350		2973
2351	warn "cancelling server ticker";	2974	warn "entering sync_job";
2352	$TICK_WATCHER->cancel;
2353		2975
		2976	cf::sync_job {
		2977	cf::write_runtime; # external watchdog should not bark
2354	cf::emergency_save;	2978	cf::emergency_save;
		2979	cf::write_runtime; # external watchdog should not bark
2355		2980
2356	eval {	2981	warn "syncing database to disk";
		2982	BDB::db_env_txn_checkpoint $DB_ENV;
		2983
2357	# if anything goes wrong in here, we should simply crash as we already saved	2984	# if anything goes wrong in here, we should simply crash as we already saved
2358
2359	warn "syncing database to disk";
2360	cf::db_sync;
2361		2985
2362	warn "cancelling all WF_AUTOCANCEL watchers";	2986	warn "cancelling all WF_AUTOCANCEL watchers";
2363	for (Event::all_watchers) {	2987	for (Event::all_watchers) {
2364	$_->cancel if $_->data & WF_AUTOCANCEL;	2988	$_->cancel if $_->data & WF_AUTOCANCEL;
2365	}	2989	}
2366		2990
2367	warn "flushing outstanding aio requests";	2991	warn "flushing outstanding aio requests";
2368	for (;;) {	2992	for (;;) {
		2993	BDB::flush;
2369	IO::AIO::flush;	2994	IO::AIO::flush;
2370	Coro::cede;	2995	Coro::cede;
2371	last unless IO::AIO::nreqs;	2996	last unless IO::AIO::nreqs || BDB::nreqs;
2372	warn "iterate...";	2997	warn "iterate...";
2373	}	2998	}
		2999
		3000	++$RELOAD;
2374		3001
2375	warn "cancelling all extension coros";	3002	warn "cancelling all extension coros";
2376	$_->cancel for values %EXT_CORO;	3003	$_->cancel for values %EXT_CORO;
2377	%EXT_CORO = ();	3004	%EXT_CORO = ();
2378		3005
2379	warn "removing commands";	3006	warn "removing commands";
2380	%COMMAND = ();	3007	%COMMAND = ();
2381		3008
2382	warn "removing ext commands";	3009	warn "removing ext/exti commands";
2383	%EXTCMD = ();	3010	%EXTCMD = ();
		3011	%EXTICMD = ();
2384		3012
2385	warn "unloading/nuking all extensions";	3013	warn "unloading/nuking all extensions";
2386	for my $pkg (@EXTS) {	3014	for my $pkg (@EXTS) {
2387	warn "... unloading $pkg";	3015	warn "... unloading $pkg";
2388		3016
…		…
2418	Symbol::delete_package "safe::$_"	3046	Symbol::delete_package "safe::$_"
2419	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3047	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2420		3048
2421	warn "unloading cf.pm \"a bit\"";	3049	warn "unloading cf.pm \"a bit\"";
2422	delete $INC{"cf.pm"};	3050	delete $INC{"cf.pm"};
		3051	delete $INC{"cf/pod.pm"};
2423		3052
2424	# don't, removes xs symbols, too,	3053	# don't, removes xs symbols, too,
2425	# and global variables created in xs	3054	# and global variables created in xs
2426	#Symbol::delete_package __PACKAGE__;	3055	#Symbol::delete_package __PACKAGE__;
2427		3056
…		…
2431	require cf;	3060	require cf;
2432	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3061	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2433		3062
2434	warn "loading config and database again";	3063	warn "loading config and database again";
2435	cf::cfg_load;	3064	cf::cfg_load;
2436	cf::db_load;
2437		3065
2438	warn "loading extensions";	3066	warn "loading extensions";
2439	cf::load_extensions;	3067	cf::load_extensions;
2440		3068
2441	warn "reattaching attachments to objects/players";	3069	warn "reattaching attachments to objects/players";
2442	_global_reattach;	3070	_global_reattach; # objects, sockets
2443	warn "reattaching attachments to maps";	3071	warn "reattaching attachments to maps";
2444	reattach $_ for values %MAP;	3072	reattach $_ for values %MAP;
		3073	warn "reattaching attachments to players";
		3074	reattach $_ for values %PLAYER;
2445		3075
2446	warn "restarting server ticker";	3076	warn "leaving sync_job";
2447		3077
2448	$TICK_WATCHER->start;	3078	1
2449	};	3079	} or do {
2450
2451	if ($@) {
2452	warn $@;	3080	warn $@;
2453	warn "error while reloading, exiting.";	3081	warn "error while reloading, exiting.";
2454	exit 1;	3082	exit 1;
2455	}	3083	};
2456		3084
2457	warn "reloaded";	3085	warn "reloaded";
2458	};	3086	};
2459		3087
2460	our $RELOAD_WATCHER; # used only during reload	3088	our $RELOAD_WATCHER; # used only during reload
2461		3089
		3090	sub reload_perl() {
		3091	# doing reload synchronously and two reloads happen back-to-back,
		3092	# coro crashes during coro_state_free->destroy here.
		3093
		3094	$RELOAD_WATCHER ||= Event->timer (
		3095	reentrant => 0,
		3096	after => 0,
		3097	data => WF_AUTOCANCEL,
		3098	cb => sub {
		3099	do_reload_perl;
		3100	undef $RELOAD_WATCHER;
		3101	},
		3102	);
		3103	}
		3104
2462	register_command "reload" => sub {	3105	register_command "reload" => sub {
2463	my ($who, $arg) = @_;	3106	my ($who, $arg) = @_;
2464		3107
2465	if ($who->flag (FLAG_WIZ)) {	3108	if ($who->flag (FLAG_WIZ)) {
2466	$who->message ("reloading server.");	3109	$who->message ("reloading server.");
2467		3110	async { reload_perl };
2468	# doing reload synchronously and two reloads happen back-to-back,
2469	# coro crashes during coro_state_free->destroy here.
2470
2471	$RELOAD_WATCHER ||= Event->timer (
2472	reentrant => 0,
2473	after => 0,
2474	data => WF_AUTOCANCEL,
2475	cb => sub {
2476	reload;
2477	undef $RELOAD_WATCHER;
2478	},
2479	);
2480	}	3111	}
2481	};	3112	};
2482		3113
2483	unshift @INC, $LIBDIR;	3114	unshift @INC, $LIBDIR;
2484		3115
2485	my $bug_warning = 0;	3116	my $bug_warning = 0;
2486		3117
		3118	our @WAIT_FOR_TICK;
		3119	our @WAIT_FOR_TICK_BEGIN;
		3120
		3121	sub wait_for_tick {
		3122	return unless $TICK_WATCHER->is_active;
		3123	return if $Coro::current == $Coro::main;
		3124
		3125	my $signal = new Coro::Signal;
		3126	push @WAIT_FOR_TICK, $signal;
		3127	$signal->wait;
		3128	}
		3129
		3130	sub wait_for_tick_begin {
		3131	return unless $TICK_WATCHER->is_active;
		3132	return if $Coro::current == $Coro::main;
		3133
		3134	my $signal = new Coro::Signal;
		3135	push @WAIT_FOR_TICK_BEGIN, $signal;
		3136	$signal->wait;
		3137	}
		3138
		3139	my $min = 1e6;#d#
		3140	my $avg = 10;
2487	$TICK_WATCHER = Event->timer (	3141	$TICK_WATCHER = Event->timer (
2488	reentrant => 0,	3142	reentrant => 0,
2489	parked => 1,	3143	parked => 1,
2490	prio => 0,	3144	prio => 0,
2491	at => $NEXT_TICK || $TICK,	3145	at => $NEXT_TICK || $TICK,
…		…
2495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3149	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2496	unless ++$bug_warning > 10;	3150	unless ++$bug_warning > 10;
2497	return;	3151	return;
2498	}	3152	}
2499		3153
2500	$NOW = Event::time;	3154	$NOW = $tick_start = Event::time;
2501		3155
2502	cf::server_tick; # one server iteration	3156	cf::server_tick; # one server iteration
		3157
		3158	0 && sync_job {#d#
		3159	for(1..10) {
		3160	my $t = Event::time;
		3161	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3162	or die;
		3163
		3164	$map->width (50);
		3165	$map->height (50);
		3166	$map->alloc;
		3167	$map->_load_objects ("/tmp/x.map", 1);
		3168	my $t = Event::time - $t;
		3169
		3170	#next unless $t < 0.0013;#d#
		3171	if ($t < $min) {
		3172	$min = $t;
		3173	}
		3174	$avg = $avg * 0.99 + $t * 0.01;
		3175	}
		3176	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3177	exit 0;
		3178	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3179	};
		3180
2503	$RUNTIME += $TICK;	3181	$RUNTIME += $TICK;
2504	$NEXT_TICK += $TICK;	3182	$NEXT_TICK += $TICK;
2505		3183
2506	$WAIT_FOR_TICK->broadcast;	3184	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2507	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3185	$NEXT_RUNTIME_WRITE = $NOW + 10;
2508		3186	Coro::async_pool {
2509	Event::sweep;	3187	write_runtime
2510	Coro::cede_notself;	3188	or warn "ERROR: unable to write runtime file: $!";
		3189	};
2511		3190	}
		3191
2512	# my $AFTER = Event::time;	3192	# my $AFTER = Event::time;
2513	# warn $AFTER - $NOW;#d#	3193	# warn $AFTER - $NOW;#d#
2514		3194
		3195	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3196	$sig->send;
		3197	}
		3198	while (my $sig = shift @WAIT_FOR_TICK) {
		3199	$sig->send;
		3200	}
		3201
		3202	$NOW = Event::time;
		3203
2515	# if we are delayed by four ticks or more, skip them all	3204	# if we are delayed by four ticks or more, skip them all
2516	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3205	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2517		3206
2518	$TICK_WATCHER->at ($NEXT_TICK);	3207	$TICK_WATCHER->at ($NEXT_TICK);
2519	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
		3209
		3210	$LOAD = ($NOW - $tick_start) / $TICK;
		3211	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3212
		3213	_post_tick;
		3214
		3215
2520	},	3216	},
2521	);	3217	);
2522		3218
		3219	{
		3220	BDB::max_poll_time $TICK * 0.1;
		3221	$BDB_POLL_WATCHER = Event->io (
		3222	reentrant => 0,
		3223	fd => BDB::poll_fileno,
		3224	poll => 'r',
		3225	prio => 0,
		3226	data => WF_AUTOCANCEL,
		3227	cb => \&BDB::poll_cb,
		3228	);
		3229	BDB::min_parallel 8;
		3230
		3231	BDB::set_sync_prepare {
		3232	my $status;
		3233	my $current = $Coro::current;
		3234	(
		3235	sub {
		3236	$status = $!;
		3237	$current->ready; undef $current;
		3238	},
		3239	sub {
		3240	Coro::schedule while defined $current;
		3241	$! = $status;
		3242	},
		3243	)
		3244	};
		3245
		3246	unless ($DB_ENV) {
		3247	$DB_ENV = BDB::db_env_create;
		3248
		3249	cf::sync_job {
		3250	eval {
		3251	BDB::db_env_open
		3252	$DB_ENV,
		3253	$BDBDIR,
		3254	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3255	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3256	0666;
		3257
		3258	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3259
		3260	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3261	$DB_ENV->set_lk_detect;
		3262	};
		3263
		3264	cf::cleanup "db_env_open(db): $@" if $@;
		3265	};
		3266	}
		3267	}
		3268
		3269	{
		3270	IO::AIO::min_parallel 8;
		3271
		3272	undef $Coro::AIO::WATCHER;
2523	IO::AIO::max_poll_time $TICK * 0.1;	3273	IO::AIO::max_poll_time $TICK * 0.1;
2524
2525	undef $Coro::AIO::WATCHER;
2526	$AIO_POLL_WATCHER = Event->io (	3274	$AIO_POLL_WATCHER = Event->io (
2527	reentrant => 0,	3275	reentrant => 0,
		3276	data => WF_AUTOCANCEL,
2528	fd => IO::AIO::poll_fileno,	3277	fd => IO::AIO::poll_fileno,
2529	poll => 'r',	3278	poll => 'r',
2530	prio => 6,	3279	prio => 6,
2531	data => WF_AUTOCANCEL,
2532	cb => \&IO::AIO::poll_cb,	3280	cb => \&IO::AIO::poll_cb,
2533	);	3281	);
		3282	}
2534		3283
2535	$WRITE_RUNTIME_WATCHER = Event->timer (	3284	my $_log_backtrace;
2536	reentrant => 0,	3285
2537	data => WF_AUTOCANCEL,	3286	sub _log_backtrace {
2538	after => 1,	3287	my ($msg, @addr) = @_;
2539	interval => 10,	3288
2540	prio => 6, # keep it lowest so it acts like a watchdog	3289	$msg =~ s/\n//;
2541	cb => Coro::unblock_sub {	3290
2542	write_runtime	3291	# limit the # of concurrent backtraces
2543	or warn "ERROR: unable to write runtime file: $!";	3292	if ($_log_backtrace < 2) {
		3293	++$_log_backtrace;
		3294	async {
		3295	my @bt = fork_call {
		3296	@addr = map { sprintf "%x", $_ } @addr;
		3297	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3298	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3299	or die "addr2line: $!";
		3300
		3301	my @funcs;
		3302	my @res = <$fh>;
		3303	chomp for @res;
		3304	while (@res) {
		3305	my ($func, $line) = splice @res, 0, 2, ();
		3306	push @funcs, "[$func] $line";
		3307	}
		3308
		3309	@funcs
		3310	};
		3311
		3312	LOG llevInfo, "[ABT] $msg\n";
		3313	LOG llevInfo, "[ABT] $_\n" for @bt;
		3314	--$_log_backtrace;
		3315	};
		3316	} else {
		3317	LOG llevInfo, "[ABT] $msg\n";
		3318	LOG llevInfo, "[ABT] [suppressed]\n";
2544	},	3319	}
2545	);	3320	}
		3321
		3322	# load additional modules
		3323	use cf::pod;
2546		3324
2547	END { cf::emergency_save }	3325	END { cf::emergency_save }
2548		3326
2549	1	3327	1
2550		3328

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