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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 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 3.5 ();	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;
87		116
88	sub cf::map::normalise;	117	sub cf::map::normalise;
89		118
…		…
100	=item $cf::RUNTIME	129	=item $cf::RUNTIME
101		130
102	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
103	every server tick.	132	every server tick.
104		133
105	=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
106		137
107	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		142
110	=item $cf::NOW	143	=item $cf::NOW
111		144
112	The time of the last (current) server tick.	145	The time of the last (current) server tick.
113		146
114	=item $cf::TICK	147	=item $cf::TICK
115		148
116	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.
117		160
118	=item %cf::CFG	161	=item %cf::CFG
119		162
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	164	from wherever your confdir points to.
122		165
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		167
125	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
126	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
127	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.
128	window of cpu time available, or simply to synchronise to the server tick.
129		171
130	=back	172	=back
131		173
132	=cut	174	=cut
133		175
134	BEGIN {	176	BEGIN {
135	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	178	my $msg = join "", @_;
137	utf8::encode $msg;
138		179
139	$msg .= "\n"	180	$msg .= "\n"
140	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
141		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
142	LOG llevError, $msg;	186	LOG llevError, $msg;
143	};	187	};
144	}	188	}
145		189
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		197
153	# 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
154	# within the Safe compartment.	199	# within the Safe compartment.
155	for my $pkg (qw(	200	for my $pkg (qw(
156	cf::global cf::attachable	201	cf::global cf::attachable
…		…
164	}	209	}
165		210
166	$Event::DIED = sub {	211	$Event::DIED = sub {
167	warn "error in event callback: @_";	212	warn "error in event callback: @_";
168	};	213	};
		214
		215	#############################################################################
169		216
170	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
171		218
172	=over 4	219	=over 4
173		220
…		…
192	$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;
193	$d	240	$d
194	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
195	}	242	}
196		243
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
200		245
201	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
202		247
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
211		249
212	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
213		251
214	=cut	252	=cut
215		253
216	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
218	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
220		258
221	=item cf::lock_wait $string	259	=item cf::lock_wait $string
222		260
223	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
224		262
…		…
230	returned.	268	returned.
231		269
232	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
233	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
234		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
235	=cut	277	=cut
236		278
237	our %LOCK;	279	our %LOCK;
238		280
239	sub lock_wait($) {	281	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
260	}	302	}
261	}	303	}
262		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
263	sub freeze_mainloop {	311	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
265		313
266	my $guard = Coro::guard {	314	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	315	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	316	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
272	$guard	318	$guard
273	}	319	}
274		320
275	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
282		328
283	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
284		330
285	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
286		332
287	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
290		337
291	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
294	fast or be very important.	341	fast or be very important.
…		…
297		344
298	sub sync_job(&) {	345	sub sync_job(&) {
299	my ($job) = @_;	346	my ($job) = @_;
300		347
301	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
302	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
304		353
305	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
317		366
318	while ($busy) {	367	while ($busy) {
319	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
320	}	369	}
321		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
322	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
323	} else {	379	} else {
324	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
325		381
326	$job->()	382	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
346		402
347	$coro	403	$coro
348	}	404	}
349		405
350	sub write_runtime {	406	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		407
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
354	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.
355		412
356	my $value = $cf::RUNTIME + 90 + 10;	413	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		414
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	415	sub _store_scalar {
361	and return;	416	open my $fh, ">", \my $buf
362		417	or die "fork_call: cannot open fh-to-buf in child : $!";
363	aio_fsync $fh	418	Storable::store_fd $_[0], $fh;
364	and return;
365
366	close $fh	419	close $fh;
367	or return;
368		420
369	aio_rename "$runtime~", $runtime	421	$buf
370	and return;	422	}
371		423
		424	sub fork_call(&@) {
		425	my ($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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
372	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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 });
373	}	593	}
374		594
375	=back	595	=back
376		596
377	=cut	597	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
386		606
387	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>
388	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
389	crossfire+).	609	Crossfire TRT).
390		610
391	=over 4	611	=over 4
392		612
393	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
394		614
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
558		778
559	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		783
564	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	785	my $pkg = shift @arg;
566		786
567	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
597	}	817	}
598		818
599	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
600	} else {	820	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	822	}
603		823
604	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
605	}	825	}
606		826
…		…
608	if (ref $_[0]) {	828	if (ref $_[0]) {
609	_object_attach @_;	829	_object_attach @_;
610	} else {	830	} else {
611	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
612	}	832	}
		833	_recalc_want;
613	};	834	};
614		835
615	# all those should be optimised	836	# all those should be optimised
616	sub cf::attachable::detach {	837	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
621	reattach ($obj);	842	reattach ($obj);
622	} else {	843	} else {
623	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
624	}	845	}
		846	_recalc_want;
625	};	847	};
626		848
627	sub cf::attachable::attached {	849	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
629		851
…		…
752	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
753		975
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	980	close $fh;
759		981
760	if (@$objs) {	982	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	988	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
768	}	990	}
769	} else {	991	} else {
770	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
776	}	998	}
777	} else {	999	} else {
778	aio_unlink $filename;	1000	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1001	aio_unlink "$filename.pst";
780	}	1002	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1003	}
788	}	1004	}
789		1005
790	sub object_freezer_as_string {	1006	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1007	my ($rdata, $objs) = @_;
…		…
797		1013
798	sub object_thawer_load {	1014	sub object_thawer_load {
799	my ($filename) = @_;	1015	my ($filename) = @_;
800		1016
801	my ($data, $av);	1017	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1018
806	(aio_load $filename, $data) >= 0	1019	(aio_load $filename, $data) >= 0
807	or return;	1020	or return;
808		1021
809	unless (aio_stat "$filename.pst") {	1022	unless (aio_stat "$filename.pst") {
…		…
811	or return;	1024	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1026	}
814		1027
815	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1030	return ($data, $av);
818	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
819		1038
820	#############################################################################	1039	#############################################################################
821	# command handling &c	1040	# command handling &c
822		1041
823	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1056	}
838		1057
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1059
841	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.
842		1065
843	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
844	called.	1067	called.
845		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
846	=cut	1080	=cut
847		1081
848	sub register_extcmd {	1082	sub register_extcmd {
849	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
850		1084
851	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
852	}	1092	}
853		1093
854	cf::player->attach (	1094	cf::player->attach (
855	on_command => sub {	1095	on_command => sub {
856	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1105	cf::override;
866	},	1106	},
867	on_extcmd => sub {	1107	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
869		1109
870	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1111
872	if (ref $msg) {	1112	if (ref $msg) {
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
874	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
875	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
881		1121
882	cf::override;	1122	cf::override;
883	},	1123	},
884	);	1124	);
885		1125
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
921	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1131	next unless -r $path;
923	eval {	1132
924	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;
925	1	1190	}
926	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
927	}	1196	};
928	}	1197	}
929		1198
930	#############################################################################	1199	#############################################################################
931		1200
		1201	=back
		1202
932	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
933		1204
934	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
935		1206
936	=cut	1207	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
949		1220
950	=cut	1221	=cut
951		1222
952	sub playerdir($) {	1223	sub playerdir($) {
953	cf::localdir	1224	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1226	}
959		1227
960	sub path($) {	1228	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1230
963	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
964	}	1232	}
965		1233
966	sub find_active($) {	1234	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1249	my $login = $_[0];
982		1250
983	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
984		1252
985	$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
986	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
987	or return;	1262	or return;
988	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
989	}	1264	}
990	}	1265	}
…		…
1027		1302
1028	=cut	1303	=cut
1029		1304
1030	sub quit_character {	1305	sub quit_character {
1031	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1032		1309
1033	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1034	$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
1035		1312
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1344	}
1048		1345
1049	=item cf::player::list_logins	1346	=item cf::player::list_logins
1050		1347
1051	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
1052	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1053		1350
1054	=cut	1351	=cut
1055		1352
1056	sub list_logins {	1353	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1355	or return [];
1059		1356
1060	my @logins;	1357	my @logins;
1061		1358
1062	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1097	}	1394	}
1098		1395
1099	\@paths	1396	\@paths
1100	}	1397	}
1101		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
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1103		1450
1104	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1105		1452
1106	=cut	1453	=cut
1107		1454
1108	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1109	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1110		1457
1111	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1112		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1460	}
1115		1461
1116	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		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	$match
		1501	}
1117		1502
1118	=back	1503	=back
1119
1120		1504
1121	=head3 cf::map	1505	=head3 cf::map
1122		1506
1123	=over 4	1507	=over 4
1124		1508
…		…
1179	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1180		1564
1181	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1182	local $self->{path};	1566	local $self->{path};
1183	local $self->{load_path};	1567	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1568
1187	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1188	}	1570	}
1189		1571
1190	sub normalise {	1572	sub normalise {
…		…
1262		1644
1263	# the original (read-only) location	1645	# the original (read-only) location
1264	sub load_path {	1646	sub load_path {
1265	my ($self) = @_;	1647	my ($self) = @_;
1266		1648
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1268	}	1650	}
1269		1651
1270	# the temporary/swap location	1652	# the temporary/swap location
1271	sub save_path {	1653	sub save_path {
1272	my ($self) = @_;	1654	my ($self) = @_;
1273		1655
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1276	}	1658	}
1277		1659
1278	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1279	sub uniq_path {	1661	sub uniq_path {
1280	my ($self) = @_;	1662	my ($self) = @_;
1281		1663
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1284	}	1666	}
1285		1667
1286	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1287	# all maps in C++...	1669	# all maps in C++...
1288	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1290		1672
1291	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1293	}	1675	}
1294		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1295	sub unlink_save {	1685	sub unlink_save {
1296	my ($self) = @_;	1686	my ($self) = @_;
1297		1687
1298	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1691	}
1307		1692
1308	sub load_header_from($) {	1693	sub load_header_from($) {
1309	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1310		1695
…		…
1360	$self->load_header_orig	1745	$self->load_header_orig
1361	or return;	1746	or return;
1362	$self->prepare_orig;	1747	$self->prepare_orig;
1363	}	1748	}
1364		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
1365	1	1756	1
1366	}	1757	}
1367		1758
1368	sub find;	1759	sub find;
1369	sub find {	1760	sub find {
…		…
1381	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1382		1773
1383	$map->load_header	1774	$map->load_header
1384	or return;	1775	or return;
1385		1776
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1389	$map->reset;	1780	$map->reset;
1390	undef $guard;	1781	undef $guard;
1391	return find $path;	1782	return find $path;
…		…
1402	my ($self) = @_;	1793	my ($self) = @_;
1403		1794
1404	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1405		1796
1406	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1408		1801
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1410		1803
1411	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1412		1805
1413	$self->alloc;	1806	$self->alloc;
1414		1807
1415	$self->pre_load;	1808	$self->pre_load;
1416
1417	$self->_load_objects ($self->{load_path}, 1)
1418	or return;
1419
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};
1422
1423	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {
1426	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);
1428	}
1429	}
1430
1431	Coro::cede;
1432
1433	# now do the right thing for maps
1434	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;	1809	Coro::cede;
1441	$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;
1442	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	1829	unless $self->difficulty;
1444	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($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;
1445	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1843	}
1447		1844
1448	$self->post_load;	1845	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1846	}
1452		1847
1453	sub customise_for {	1848	sub customise_for {
1454	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1455		1850
1456	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1458		1856
1459	$self	1857	$self
1460	}	1858	}
1461		1859
1462	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1573		1971
1574	sub reset_at {	1972	sub reset_at {
1575	my ($self) = @_;	1973	my ($self) = @_;
1576		1974
1577	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1580		1977
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		1980
…		…
1594	my ($self) = @_;	1991	my ($self) = @_;
1595		1992
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		1994
1598	return if $self->players;	1995	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		1996
1601	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	}
1602		2008
1603	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1604		2010
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	$self->clear;	2011	$self->clear;
1607		2012
1608	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1609		2014
1610	$self->unlink_save;	2015	$self->unlink_save;
…		…
1629	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1630		2035
1631	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1632	}	2037	}
1633		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
1634	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1635		2076
1636	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2078	instantiated unique items. May block.
1638		2079
1639	=cut	2080	=cut
1640		2081
1641	sub unique_maps() {	2082	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1643	or return;	2084	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2085	utf8::decode $_;
1649	next if /\.pst$/;	2086	/\.map$/
1650	next unless /^$PATH_SEP/o;	2087	? normalise $_
1651		2088	: ()
1652	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2090	]
1654
1655	\@paths
1656	}	2091	}
1657		2092
1658	package cf;	2093	package cf;
1659		2094
1660	=back	2095	=back
…		…
1706		2141
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2143
1709	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1711	} 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 {
1712	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1714	}	2163	}
1715	}	2164	}
1716		2165
1717	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1718		2167
…		…
1766	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1767		2216
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2218
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1772		2221
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2223	}
1775		2224
1776	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1778		2229
1779	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1780		2231
1781	unless ($map) {	2232	unless ($map) {
1782	# restore original map position	2233	# restore original map position
…		…
1800	$map->load;	2251	$map->load;
1801	$map->load_diag;	2252	$map->load_diag;
1802		2253
1803	return unless $self->contr->active;	2254	return unless $self->contr->active;
1804	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1806	}	2259	}
1807		2260
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1841		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
1842	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1843		2271
1844	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1845	my ($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;
1846		2277
1847	$self->enter_link;	2278	$self->enter_link;
1848		2279
1849	(async {	2280	(async {
1850	my $map = eval {	2281	my $map = eval {
1851	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
		2286	$map = $check->($map) if $check && $map;
		2287	} else {
		2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
		2290
1853	$map	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 $@;
1854	} or	2297	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1858	})->prio (1);	2303	})->prio (1);
1859	}	2304	}
1860		2305
1861	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1862		2307
…		…
1901		2346
1902	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1903		2348
1904	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1905	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1907		2352
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2355	undef $fh;
1911	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1920		2365
1921	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1922		2367
1923	if ($exit->slaying eq "/!") {	2368	if ($exit->slaying eq "/!") {
1924	#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
1925	cf::sync_job { prepare_random_map $exit };	2372	cf::sync_job { prepare_random_map $exit };
1926	}	2373	}
1927		2374
1928	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;
1929	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
1931		2378
1932	$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);
1933		2384
1934	(async {	2385	(async {
1935	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1936	unless (eval {	2387	unless (eval {
1937	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
1938		2389
1939	1;	2390	1;
1940	}) {	2391	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "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. "
1943	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2396
1946	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2398	$self->leave_link;
1948	}	2399	}
1949	})->prio (1);	2400	})->prio (1);
…		…
1962		2413
1963	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1965		2416
1966	utf8::encode $text;	2417	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2419	}
1969		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	}
1970		2473
1971	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1972		2475
1973	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1974	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>,
1975	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>.
1976		2479
1977	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
1978	reliable at some point in the future.	2481	become reliable at some point in the future.
1979		2482
1980	=cut	2483	=cut
1981		2484
1982	sub cf::client::query {	2485	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2494	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2496
1994	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1996	}	2501	}
1997		2502
1998	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	},
1999	on_reply => sub {	2509	on_reply => sub {
2000	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
2001		2511
2002	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
2003	# get handled first	2513	# get handled first
2004	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
2005	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
2006		2516
2007	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		2519
2009	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
2010		2521
2011	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	2523	if (@$queue) {
…		…
2014	} else {	2525	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	2527	}
2017	}	2528	}
2018	},	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	},
2019	);	2548	);
2020		2549
2021	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
2022		2551
2023	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2070		2599
2071	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2072		2601
2073	=pod	2602	=pod
2074		2603
2075	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2076		2605
2077	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
2078	cf::object::player player	2610	cf::object::player
2079	cf::player peaceful	2611	player
2080	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2081		2618
2082	=cut	2619	=cut
2083		2620
2084	for (	2621	for (
2085	["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)],
2086	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2088	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2089	) {	2627	) {
2090	no strict 'refs';	2628	no strict 'refs';
…		…
2161	=back	2699	=back
2162		2700
2163	=cut	2701	=cut
2164		2702
2165	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2166		2705
2167	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2168		2708
2169	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2170	currently store anything that can be serialised using Storable, which
2171	excludes objects.
2172		2710
2173	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2174	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2175		2714
2176	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2177		2716
2178	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2179		2719
2180	Return a hashref for use by the extension C<$family>, which can be
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183
2184	=item $value = cf::db_get $family => $key
2185
2186	Returns a single value from the database
2187
2188	=item cf::db_put $family => $hashref
2189
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2216		2722
2217	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};
2218		2729
2219	sub db_save() {	2730	cf::cede_to_tick;
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}
2228
2229	my $dirty;
2230
2231	sub db_sync() {
2232	db_save if $dirty;
2233	undef $dirty;
2234	}
2235
2236	my $idle = Event->idle (
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	2731	}
2270	);
2271	}
2272		2732
2273	#############################################################################	2733	while (my ($face, $info) = each %$faces) {
2274	# 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	}
2275		2825
2276	sub cfg_load {	2826	sub cfg_load {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	2827	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	2828	or return;
2279		2829
2280	local $/;	2830	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	2831	*CFG = YAML::Syck::Load <$fh>;
2282		2832
…		…
2302	Event::one_event;	2852	Event::one_event;
2303	})->prio (Coro::PRIO_MAX);	2853	})->prio (Coro::PRIO_MAX);
2304	};	2854	};
2305		2855
2306	cfg_load;	2856	cfg_load;
2307	db_load;	2857	db_init;
2308	load_extensions;	2858	load_extensions;
2309		2859
2310	$TICK_WATCHER->start;	2860	$TICK_WATCHER->start;
2311	Event::loop;	2861	Event::loop;
2312	}	2862	}
…		…
2327	},	2877	},
2328	);	2878	);
2329	}	2879	}
2330	}	2880	}
2331		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
2332	sub emergency_save() {	2920	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	2921	my $freeze_guard = cf::freeze_mainloop;
2334		2922
2335	warn "enter emergency perl save\n";	2923	warn "enter emergency perl save\n";
2336		2924
…		…
2351	my $map = $cf::MAP{$path} or next;	2939	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	2940	$map->valid or next;
2353	$map->save;	2941	$map->save;
2354	}	2942	}
2355	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 $DB_ENV;
		2947	warn "end emergency database checkpoint\n";
2356	};	2948	};
2357		2949
2358	warn "leave emergency perl save\n";	2950	warn "leave emergency perl save\n";
2359	}	2951	}
2360		2952
		2953	sub post_cleanup {
		2954	my ($make_core) = @_;
		2955
		2956	warn Carp::longmess "post_cleanup backtrace"
		2957	if $make_core;
		2958	}
		2959
2361	sub reload() {	2960	sub do_reload_perl() {
2362	# can/must only be called in main	2961	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	2962	if ($Coro::current != $Coro::main) {
2364	warn "can only reload from main coroutine";	2963	warn "can only reload from main coroutine";
2365	return;	2964	return;
2366	}	2965	}
2367		2966
2368	warn "reloading...";	2967	warn "reloading...";
2369		2968
2370	warn "cancelling server ticker";	2969	warn "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		2970
		2971	cf::sync_job {
		2972	cf::write_runtime; # external watchdog should not bark
2373	cf::emergency_save;	2973	cf::emergency_save;
		2974	cf::write_runtime; # external watchdog should not bark
2374		2975
2375	eval {	2976	warn "syncing database to disk";
		2977	BDB::db_env_txn_checkpoint $DB_ENV;
		2978
2376	# 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
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380		2980
2381	warn "cancelling all WF_AUTOCANCEL watchers";	2981	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {	2982	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;	2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}	2984	}
2385		2985
2386	warn "flushing outstanding aio requests";	2986	warn "flushing outstanding aio requests";
2387	for (;;) {	2987	for (;;) {
		2988	BDB::flush;
2388	IO::AIO::flush;	2989	IO::AIO::flush;
2389	Coro::cede;	2990	Coro::cede;
2390	last unless IO::AIO::nreqs;	2991	last unless IO::AIO::nreqs || BDB::nreqs;
2391	warn "iterate...";	2992	warn "iterate...";
2392	}	2993	}
		2994
		2995	++$RELOAD;
2393		2996
2394	warn "cancelling all extension coros";	2997	warn "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	2998	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	2999	%EXT_CORO = ();
2397		3000
2398	warn "removing commands";	3001	warn "removing commands";
2399	%COMMAND = ();	3002	%COMMAND = ();
2400		3003
2401	warn "removing ext commands";	3004	warn "removing ext/exti commands";
2402	%EXTCMD = ();	3005	%EXTCMD = ();
		3006	%EXTICMD = ();
2403		3007
2404	warn "unloading/nuking all extensions";	3008	warn "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {	3009	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";	3010	warn "... unloading $pkg";
2407		3011
…		…
2437	Symbol::delete_package "safe::$_"	3041	Symbol::delete_package "safe::$_"
2438	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);
2439		3043
2440	warn "unloading cf.pm \"a bit\"";	3044	warn "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3045	delete $INC{"cf.pm"};
		3046	delete $INC{"cf/pod.pm"};
2442		3047
2443	# don't, removes xs symbols, too,	3048	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3049	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3050	#Symbol::delete_package __PACKAGE__;
2446		3051
…		…
2450	require cf;	3055	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452		3057
2453	warn "loading config and database again";	3058	warn "loading config and database again";
2454	cf::cfg_load;	3059	cf::cfg_load;
2455	cf::db_load;
2456		3060
2457	warn "loading extensions";	3061	warn "loading extensions";
2458	cf::load_extensions;	3062	cf::load_extensions;
2459		3063
2460	warn "reattaching attachments to objects/players";	3064	warn "reattaching attachments to objects/players";
2461	_global_reattach;	3065	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3066	warn "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3067	reattach $_ for values %MAP;
		3068	warn "reattaching attachments to players";
		3069	reattach $_ for values %PLAYER;
2464		3070
2465	warn "restarting server ticker";	3071	warn "leaving sync_job";
2466		3072
2467	$TICK_WATCHER->start;	3073	1
2468	};	3074	} or do {
2469
2470	if ($@) {
2471	warn $@;	3075	warn $@;
2472	warn "error while reloading, exiting.";	3076	warn "error while reloading, exiting.";
2473	exit 1;	3077	exit 1;
2474	}	3078	};
2475		3079
2476	warn "reloaded";	3080	warn "reloaded";
2477	};	3081	};
2478		3082
2479	our $RELOAD_WATCHER; # used only during reload	3083	our $RELOAD_WATCHER; # used only during reload
2480		3084
		3085	sub reload_perl() {
		3086	# doing reload synchronously and two reloads happen back-to-back,
		3087	# coro crashes during coro_state_free->destroy here.
		3088
		3089	$RELOAD_WATCHER ||= Event->timer (
		3090	reentrant => 0,
		3091	after => 0,
		3092	data => WF_AUTOCANCEL,
		3093	cb => sub {
		3094	do_reload_perl;
		3095	undef $RELOAD_WATCHER;
		3096	},
		3097	);
		3098	}
		3099
2481	register_command "reload" => sub {	3100	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	3101	my ($who, $arg) = @_;
2483		3102
2484	if ($who->flag (FLAG_WIZ)) {	3103	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	3104	$who->message ("reloading server.");
2486		3105	async { reload_perl };
2487	# doing reload synchronously and two reloads happen back-to-back,
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);
2499	}	3106	}
2500	};	3107	};
2501		3108
2502	unshift @INC, $LIBDIR;	3109	unshift @INC, $LIBDIR;
2503		3110
2504	my $bug_warning = 0;	3111	my $bug_warning = 0;
2505		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;
2506	$TICK_WATCHER = Event->timer (	3136	$TICK_WATCHER = Event->timer (
2507	reentrant => 0,	3137	reentrant => 0,
2508	parked => 1,	3138	parked => 1,
2509	prio => 0,	3139	prio => 0,
2510	at => $NEXT_TICK || $TICK,	3140	at => $NEXT_TICK || $TICK,
…		…
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	3145	unless ++$bug_warning > 10;
2516	return;	3146	return;
2517	}	3147	}
2518		3148
2519	$NOW = Event::time;	3149	$NOW = $tick_start = Event::time;
2520		3150
2521	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
2522	$RUNTIME += $TICK;	3176	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;	3177	$NEXT_TICK += $TICK;
2524		3178
2525	$WAIT_FOR_TICK->broadcast;	3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
2527		3181	Coro::async_pool {
2528	Event::sweep;	3182	write_runtime
2529	Coro::cede_notself;	3183	or warn "ERROR: unable to write runtime file: $!";
		3184	};
2530		3185	}
		3186
2531	# my $AFTER = Event::time;	3187	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#	3188	# warn $AFTER - $NOW;#d#
2533		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;
		3198
2534	# 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
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		3201
2537	$TICK_WATCHER->at ($NEXT_TICK);	3202	$TICK_WATCHER->at ($NEXT_TICK);
2538	$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
2539	},	3211	},
2540	);	3212	);
2541		3213
		3214	{
		3215	BDB::max_poll_time $TICK * 0.1;
		3216	$BDB_POLL_WATCHER = Event->io (
		3217	reentrant => 0,
		3218	fd => BDB::poll_fileno,
		3219	poll => 'r',
		3220	prio => 0,
		3221	data => WF_AUTOCANCEL,
		3222	cb => \&BDB::poll_cb,
		3223	);
		3224	BDB::min_parallel 8;
		3225
		3226	BDB::set_sync_prepare {
		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 $@;
		3260	};
		3261	}
		3262	}
		3263
		3264	{
		3265	IO::AIO::min_parallel 8;
		3266
		3267	undef $Coro::AIO::WATCHER;
2542	IO::AIO::max_poll_time $TICK * 0.1;	3268	IO::AIO::max_poll_time $TICK * 0.1;
2543
2544	undef $Coro::AIO::WATCHER;
2545	$AIO_POLL_WATCHER = Event->io (	3269	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,	3270	reentrant => 0,
		3271	data => WF_AUTOCANCEL,
2547	fd => IO::AIO::poll_fileno,	3272	fd => IO::AIO::poll_fileno,
2548	poll => 'r',	3273	poll => 'r',
2549	prio => 6,	3274	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,	3275	cb => \&IO::AIO::poll_cb,
2552	);	3276	);
		3277	}
2553		3278
2554	$WRITE_RUNTIME_WATCHER = Event->timer (	3279	my $_log_backtrace;
2555	reentrant => 0,	3280
2556	data => WF_AUTOCANCEL,	3281	sub _log_backtrace {
2557	after => 1,	3282	my ($msg, @addr) = @_;
2558	interval => 10,	3283
2559	prio => 6, # keep it lowest so it acts like a watchdog	3284	$msg =~ s/\n//;
2560	cb => Coro::unblock_sub {	3285
2561	write_runtime	3286	# limit the # of concurrent backtraces
2562	or warn "ERROR: unable to write runtime file: $!";	3287	if ($_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";
2563	},	3314	}
2564	);	3315	}
		3316
		3317	# load additional modules
		3318	use cf::pod;
2565		3319
2566	END { cf::emergency_save }	3320	END { cf::emergency_save }
2567		3321
2568	1	3322	1
2569		3323

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