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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.305 by root, Thu Jul 12 08:40:14 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) {
…		…
1079	=cut	1376	=cut
1080		1377
1081	sub maps($) {	1378	sub maps($) {
1082	my ($pl) = @_;	1379	my ($pl) = @_;
1083		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
		1382
1084	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1085	or return;	1384	or return;
1086		1385
1087	my @paths;	1386	my @paths;
1088		1387
1089	for (@$files) {	1388	for (@$files) {
1090	utf8::decode $_;	1389	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1093		1392
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1393	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1394	}
1096		1395
1097	\@paths	1396	\@paths
1098	}	1397	}
1099		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
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1101		1450
1102	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1103		1452
1104	=cut	1453	=cut
1105		1454
1106	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1107	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1108		1457
1109	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1110		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1460	}
1113		1461
1114	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		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	$match
		1501	}
1115		1502
1116	=back	1503	=back
1117
1118		1504
1119	=head3 cf::map	1505	=head3 cf::map
1120		1506
1121	=over 4	1507	=over 4
1122		1508
…		…
1177	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1178		1564
1179	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1180	local $self->{path};	1566	local $self->{path};
1181	local $self->{load_path};	1567	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1568
1185	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1186	}	1570	}
1187		1571
1188	sub normalise {	1572	sub normalise {
…		…
1260		1644
1261	# the original (read-only) location	1645	# the original (read-only) location
1262	sub load_path {	1646	sub load_path {
1263	my ($self) = @_;	1647	my ($self) = @_;
1264		1648
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1266	}	1650	}
1267		1651
1268	# the temporary/swap location	1652	# the temporary/swap location
1269	sub save_path {	1653	sub save_path {
1270	my ($self) = @_;	1654	my ($self) = @_;
1271		1655
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1274	}	1658	}
1275		1659
1276	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1277	sub uniq_path {	1661	sub uniq_path {
1278	my ($self) = @_;	1662	my ($self) = @_;
1279		1663
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1282	}	1666	}
1283		1667
1284	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1285	# all maps in C++...	1669	# all maps in C++...
1286	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1288		1672
1289	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1291	}	1675	}
1292		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1293	sub unlink_save {	1685	sub unlink_save {
1294	my ($self) = @_;	1686	my ($self) = @_;
1295		1687
1296	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1691	}
1305		1692
1306	sub load_header_from($) {	1693	sub load_header_from($) {
1307	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1308		1695
…		…
1358	$self->load_header_orig	1745	$self->load_header_orig
1359	or return;	1746	or return;
1360	$self->prepare_orig;	1747	$self->prepare_orig;
1361	}	1748	}
1362		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
1363	1	1756	1
1364	}	1757	}
1365		1758
1366	sub find;	1759	sub find;
1367	sub find {	1760	sub find {
…		…
1379	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1380		1773
1381	$map->load_header	1774	$map->load_header
1382	or return;	1775	or return;
1383		1776
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1387	$map->reset;	1780	$map->reset;
1388	undef $guard;	1781	undef $guard;
1389	return find $path;	1782	return find $path;
…		…
1400	my ($self) = @_;	1793	my ($self) = @_;
1401		1794
1402	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1403		1796
1404	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1406		1801
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1408		1803
1409	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1410		1805
1411	$self->alloc;	1806	$self->alloc;
1412		1807
1413	$self->pre_load;	1808	$self->pre_load;
1414
1415	$self->_load_objects ($self->{load_path}, 1)
1416	or return;
1417
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};
1420
1421	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {
1424	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);
1426	}
1427	}
1428
1429	Coro::cede;
1430
1431	# now do the right thing for maps
1432	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;	1809	Coro::cede;
1439	$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;
1440	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1829	unless $self->difficulty;
1442	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($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;
1443	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	1843	}
1445		1844
1446	$self->post_load;	1845	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	1846	}
1450		1847
1451	sub customise_for {	1848	sub customise_for {
1452	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1453		1850
1454	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1456		1856
1457	$self	1857	$self
1458	}	1858	}
1459		1859
1460	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1571		1971
1572	sub reset_at {	1972	sub reset_at {
1573	my ($self) = @_;	1973	my ($self) = @_;
1574		1974
1575	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1578		1977
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		1980
…		…
1592	my ($self) = @_;	1991	my ($self) = @_;
1593		1992
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		1994
1596	return if $self->players;	1995	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		1996
1599	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	}
1600		2008
1601	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1602		2010
1603	$self->in_memory (cf::MAP_SWAPPED);
1604	$self->clear;	2011	$self->clear;
1605		2012
1606	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1607		2014
1608	$self->unlink_save;	2015	$self->unlink_save;
…		…
1627	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1628		2035
1629	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1630	}	2037	}
1631		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
1632	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1633		2076
1634	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2078	instantiated unique items. May block.
1636		2079
1637	=cut	2080	=cut
1638		2081
1639	sub unique_maps() {	2082	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1641	or return;	2084	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2085	utf8::decode $_;
1647	next if /\.pst$/;	2086	/\.map$/
1648	next unless /^$PATH_SEP/o;	2087	? normalise $_
1649		2088	: ()
1650	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2090	]
1652
1653	\@paths
1654	}	2091	}
1655		2092
1656	package cf;	2093	package cf;
1657		2094
1658	=back	2095	=back
…		…
1704		2141
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2143
1707	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1709	} 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 {
1710	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1712	}	2163	}
1713	}	2164	}
1714		2165
1715	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1716		2167
…		…
1764	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1765		2216
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2218
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1770		2221
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2223	}
1773		2224
1774	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1776		2229
1777	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1778		2231
1779	unless ($map) {	2232	unless ($map) {
1780	# restore original map position	2233	# restore original map position
…		…
1798	$map->load;	2251	$map->load;
1799	$map->load_diag;	2252	$map->load_diag;
1800		2253
1801	return unless $self->contr->active;	2254	return unless $self->contr->active;
1802	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1804	}	2259	}
1805		2260
1806	cf::player->attach (
1807	on_logout => sub {
1808	my ($pl) = @_;
1809
1810	# abort map switching before logout
1811	if ($pl->ob->{_link_pos}) {
1812	cf::sync_job {
1813	$pl->ob->leave_link
1814	};
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1839		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
1840	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1841		2271
1842	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1843	my ($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;
1844		2277
1845	$self->enter_link;	2278	$self->enter_link;
1846		2279
1847	(async {	2280	(async {
1848	my $map = eval {	2281	my $map = eval {
1849	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1850	$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
1851	$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 $@;
1852	} or	2297	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1856	})->prio (1);	2303	})->prio (1);
1857	}	2304	}
1858		2305
1859	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1860		2307
…		…
1899		2346
1900	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1901		2348
1902	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1905		2352
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2355	undef $fh;
1909	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1918		2365
1919	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1920		2367
1921	if ($exit->slaying eq "/!") {	2368	if ($exit->slaying eq "/!") {
1922	#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
1923	cf::sync_job { prepare_random_map $exit };	2372	cf::sync_job { prepare_random_map $exit };
1924	}	2373	}
1925		2374
1926	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;
1927	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
1929		2378
1930	$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);
1931		2384
1932	(async {	2385	(async {
1933	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2387	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
1936		2389
1937	1;	2390	1;
1938	}) {	2391	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "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. "
1941	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2396
1944	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2398	$self->leave_link;
1946	}	2399	}
1947	})->prio (1);	2400	})->prio (1);
…		…
1960		2413
1961	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1963		2416
1964	utf8::encode $text;	2417	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2419	}
1967		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	return unless $self->extcmd;
		2471
		2472	$msg{msgtype} = "event_$type";
		2473	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2474	}
1968		2475
1969	=item $success = $client->query ($flags, "text", \&cb)	2476	=item $success = $client->query ($flags, "text", \&cb)
1970		2477
1971	Queues a query to the client, calling the given callback with	2478	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2479	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2480	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2481
1975	Queries can fail, so check the return code. Or don't, as queries will become	2482	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2483	become reliable at some point in the future.
1977		2484
1978	=cut	2485	=cut
1979		2486
1980	sub cf::client::query {	2487	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2488	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2496	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2497	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2498
1992	$self->send_packet ($self->{query_queue}[0][0])	2499	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2500	if @{ $self->{query_queue} } == 1;
		2501
		2502	1
1994	}	2503	}
1995		2504
1996	cf::client->attach (	2505	cf::client->attach (
		2506	on_connect => sub {
		2507	my ($ns) = @_;
		2508
		2509	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2510	},
1997	on_reply => sub {	2511	on_reply => sub {
1998	my ($ns, $msg) = @_;	2512	my ($ns, $msg) = @_;
1999		2513
2000	# this weird shuffling is so that direct followup queries	2514	# this weird shuffling is so that direct followup queries
2001	# get handled first	2515	# get handled first
2002	my $queue = delete $ns->{query_queue}	2516	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2517	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2518
2005	(shift @$queue)->[1]->($msg);	2519	(shift @$queue)->[1]->($msg);
		2520	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2521
2007	push @{ $ns->{query_queue} }, @$queue;	2522	push @{ $ns->{query_queue} }, @$queue;
2008		2523
2009	if (@{ $ns->{query_queue} } == @$queue) {	2524	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2525	if (@$queue) {
…		…
2012	} else {	2527	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2528	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2529	}
2015	}	2530	}
2016	},	2531	},
		2532	on_exticmd => sub {
		2533	my ($ns, $buf) = @_;
		2534
		2535	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2536
		2537	if (ref $msg) {
		2538	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2539	if (my %reply = $cb->($ns, $msg)) {
		2540	$reply{msgid} = $msg->{msgid};
		2541	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2542	}
		2543	}
		2544	} else {
		2545	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2546	}
		2547
		2548	cf::override;
		2549	},
2017	);	2550	);
2018		2551
2019	=item $client->async (\&cb)	2552	=item $client->async (\&cb)
2020		2553
2021	Create a new coroutine, running the specified callback. The coroutine will	2554	Create a new coroutine, running the specified callback. The coroutine will
…		…
2068		2601
2069	# here we export the classes and methods available to script code	2602	# here we export the classes and methods available to script code
2070		2603
2071	=pod	2604	=pod
2072		2605
2073	The following fucntions and emthods are available within a safe environment:	2606	The following functions and methods are available within a safe environment:
2074		2607
2075	cf::object contr pay_amount pay_player map	2608	cf::object
		2609	contr pay_amount pay_player map x y force_find force_add
		2610	insert remove
		2611
2076	cf::object::player player	2612	cf::object::player
2077	cf::player peaceful	2613	player
2078	cf::map trigger	2614
		2615	cf::player
		2616	peaceful
		2617
		2618	cf::map
		2619	trigger
2079		2620
2080	=cut	2621	=cut
2081		2622
2082	for (	2623	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	2624	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2625	insert remove)],
2084	["cf::object::player" => qw(player)],	2626	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2627	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2628	["cf::map" => qw(trigger)],
2087	) {	2629	) {
2088	no strict 'refs';	2630	no strict 'refs';
…		…
2159	=back	2701	=back
2160		2702
2161	=cut	2703	=cut
2162		2704
2163	#############################################################################	2705	#############################################################################
		2706	# the server's init and main functions
2164		2707
2165	=head2 EXTENSION DATABASE SUPPORT	2708	sub load_facedata($) {
		2709	my ($path) = @_;
2166		2710
2167	Crossfire maintains a very simple database for extension use. It can	2711	warn "loading facedata from $path\n";
2168	currently store anything that can be serialised using Storable, which
2169	excludes objects.
2170		2712
2171	The parameter C<$family> should best start with the name of the extension	2713	my $facedata;
2172	using it, it should be unique.	2714	0 < aio_load $path, $facedata
		2715	or die "$path: $!";
2173		2716
2174	=over 4	2717	$facedata = Coro::Storable::thaw $facedata;
2175		2718
2176	=item $hashref = cf::db_get $family	2719	$facedata->{version} == 2
		2720	or cf::cleanup "$path: version mismatch, cannot proceed.";
2177		2721
2178	Return a hashref for use by the extension C<$family>, which can be
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181
2182	=item $value = cf::db_get $family => $key
2183
2184	Returns a single value from the database
2185
2186	=item cf::db_put $family => $hashref
2187
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	2722	{
		2723	my $faces = $facedata->{faceinfo};
2214		2724
2215	my $pid;	2725	while (my ($face, $info) = each %$faces) {
		2726	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2727	cf::face::set_visibility $idx, $info->{visibility};
		2728	cf::face::set_magicmap $idx, $info->{magicmap};
		2729	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2730	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2216		2731
2217	sub db_save() {	2732	cf::cede_to_tick;
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}
2226
2227	my $dirty;
2228
2229	sub db_sync() {
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	2733	}
2268	);
2269	}
2270		2734
2271	#############################################################################	2735	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	2736	next unless $info->{smooth};
		2737	my $idx = cf::face::find $face
		2738	or next;
		2739	if (my $smooth = cf::face::find $info->{smooth}) {
		2740	cf::face::set_smooth $idx, $smooth;
		2741	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2742	} else {
		2743	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2744	}
		2745
		2746	cf::cede_to_tick;
		2747	}
		2748	}
		2749
		2750	{
		2751	my $anims = $facedata->{animinfo};
		2752
		2753	while (my ($anim, $info) = each %$anims) {
		2754	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2755	cf::cede_to_tick;
		2756	}
		2757
		2758	cf::anim::invalidate_all; # d'oh
		2759	}
		2760
		2761	{
		2762	# TODO: for gcfclient pleasure, we should give resources
		2763	# that gcfclient doesn't grok a >10000 face index.
		2764	my $res = $facedata->{resource};
		2765	my $enc = JSON::XS->new->utf8->canonical;
		2766
		2767	while (my ($name, $info) = each %$res) {
		2768	my $meta = $enc->encode ({
		2769	name => $name,
		2770	type => $info->{type},
		2771	copyright => $info->{copyright}, #TODO#
		2772	});
		2773	my $data = pack "(w/a*)*", $meta, $info->{data};
		2774	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2775
		2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2777	cf::face::set_type $idx, 1;
		2778	cf::face::set_data $idx, 0, $data, $chk;
		2779
		2780	cf::cede_to_tick;
		2781	}
		2782	}
		2783
		2784	1
		2785	}
		2786
		2787	sub reload_regions {
		2788	load_resource_file "$MAPDIR/regions"
		2789	or die "unable to load regions file\n";
		2790
		2791	for (cf::region::list) {
		2792	$_->{match} = qr/$_->{match}/
		2793	if exists $_->{match};
		2794	}
		2795	}
		2796
		2797	sub reload_facedata {
		2798	load_facedata "$DATADIR/facedata"
		2799	or die "unable to load facedata\n";
		2800	}
		2801
		2802	sub reload_archetypes {
		2803	load_resource_file "$DATADIR/archetypes"
		2804	or die "unable to load archetypes\n";
		2805	#d# NEED to laod twice to resolve forward references
		2806	# this really needs to be done in an extra post-pass
		2807	# (which needs to be synchronous, so solve it differently)
		2808	load_resource_file "$DATADIR/archetypes"
		2809	or die "unable to load archetypes\n";
		2810	}
		2811
		2812	sub reload_treasures {
		2813	load_resource_file "$DATADIR/treasures"
		2814	or die "unable to load treasurelists\n";
		2815	}
		2816
		2817	sub reload_resources {
		2818	warn "reloading resource files...\n";
		2819
		2820	reload_regions;
		2821	reload_facedata;
		2822	#reload_archetypes;#d#
		2823	reload_archetypes;
		2824	reload_treasures;
		2825
		2826	warn "finished reloading resource files\n";
		2827	}
		2828
		2829	sub init {
		2830	reload_resources;
		2831	}
2273		2832
2274	sub cfg_load {	2833	sub cfg_load {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	2834	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	2835	or return;
2277		2836
2278	local $/;	2837	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	2838	*CFG = YAML::Syck::Load <$fh>;
2280		2839
…		…
2300	Event::one_event;	2859	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	2860	})->prio (Coro::PRIO_MAX);
2302	};	2861	};
2303		2862
2304	cfg_load;	2863	cfg_load;
2305	db_load;	2864	db_init;
2306	load_extensions;	2865	load_extensions;
2307		2866
2308	$TICK_WATCHER->start;	2867	$TICK_WATCHER->start;
2309	Event::loop;	2868	Event::loop;
2310	}	2869	}
…		…
2325	},	2884	},
2326	);	2885	);
2327	}	2886	}
2328	}	2887	}
2329		2888
		2889	sub write_runtime {
		2890	my $runtime = "$LOCALDIR/runtime";
		2891
		2892	# first touch the runtime file to show we are still running:
		2893	# the fsync below can take a very very long time.
		2894
		2895	IO::AIO::aio_utime $runtime, undef, undef;
		2896
		2897	my $guard = cf::lock_acquire "write_runtime";
		2898
		2899	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2900	or return;
		2901
		2902	my $value = $cf::RUNTIME + 90 + 10;
		2903	# 10 is the runtime save interval, for a monotonic clock
		2904	# 60 allows for the watchdog to kill the server.
		2905
		2906	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2907	and return;
		2908
		2909	# always fsync - this file is important
		2910	aio_fsync $fh
		2911	and return;
		2912
		2913	# touch it again to show we are up-to-date
		2914	aio_utime $fh, undef, undef;
		2915
		2916	close $fh
		2917	or return;
		2918
		2919	aio_rename "$runtime~", $runtime
		2920	and return;
		2921
		2922	warn "runtime file written.\n";
		2923
		2924	1
		2925	}
		2926
2330	sub emergency_save() {	2927	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	2928	my $freeze_guard = cf::freeze_mainloop;
2332		2929
2333	warn "enter emergency perl save\n";	2930	warn "enter emergency perl save\n";
2334		2931
…		…
2349	my $map = $cf::MAP{$path} or next;	2946	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	2947	$map->valid or next;
2351	$map->save;	2948	$map->save;
2352	}	2949	}
2353	warn "end emergency map save\n";	2950	warn "end emergency map save\n";
		2951
		2952	warn "begin emergency database checkpoint\n";
		2953	BDB::db_env_txn_checkpoint $DB_ENV;
		2954	warn "end emergency database checkpoint\n";
2354	};	2955	};
2355		2956
2356	warn "leave emergency perl save\n";	2957	warn "leave emergency perl save\n";
2357	}	2958	}
2358		2959
		2960	sub post_cleanup {
		2961	my ($make_core) = @_;
		2962
		2963	warn Carp::longmess "post_cleanup backtrace"
		2964	if $make_core;
		2965	}
		2966
2359	sub reload() {	2967	sub do_reload_perl() {
2360	# can/must only be called in main	2968	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	2969	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	2970	warn "can only reload from main coroutine";
2363	return;	2971	return;
2364	}	2972	}
2365		2973
2366	warn "reloading...";	2974	warn "reloading...";
2367		2975
2368	warn "cancelling server ticker";	2976	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		2977
		2978	cf::sync_job {
		2979	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	2980	cf::emergency_save;
		2981	cf::write_runtime; # external watchdog should not bark
2372		2982
2373	eval {	2983	warn "syncing database to disk";
		2984	BDB::db_env_txn_checkpoint $DB_ENV;
		2985
2374	# if anything goes wrong in here, we should simply crash as we already saved	2986	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		2987
2379	warn "cancelling all WF_AUTOCANCEL watchers";	2988	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	2989	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	2990	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	2991	}
2383		2992
2384	warn "flushing outstanding aio requests";	2993	warn "flushing outstanding aio requests";
2385	for (;;) {	2994	for (;;) {
		2995	BDB::flush;
2386	IO::AIO::flush;	2996	IO::AIO::flush;
2387	Coro::cede;	2997	Coro::cede;
2388	last unless IO::AIO::nreqs;	2998	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	2999	warn "iterate...";
2390	}	3000	}
		3001
		3002	++$RELOAD;
2391		3003
2392	warn "cancelling all extension coros";	3004	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3005	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3006	%EXT_CORO = ();
2395		3007
2396	warn "removing commands";	3008	warn "removing commands";
2397	%COMMAND = ();	3009	%COMMAND = ();
2398		3010
2399	warn "removing ext commands";	3011	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3012	%EXTCMD = ();
		3013	%EXTICMD = ();
2401		3014
2402	warn "unloading/nuking all extensions";	3015	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3016	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3017	warn "... unloading $pkg";
2405		3018
…		…
2435	Symbol::delete_package "safe::$_"	3048	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3049	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3050
2438	warn "unloading cf.pm \"a bit\"";	3051	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3052	delete $INC{"cf.pm"};
		3053	delete $INC{"cf/pod.pm"};
2440		3054
2441	# don't, removes xs symbols, too,	3055	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3056	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3057	#Symbol::delete_package __PACKAGE__;
2444		3058
…		…
2448	require cf;	3062	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3063	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3064
2451	warn "loading config and database again";	3065	warn "loading config and database again";
2452	cf::cfg_load;	3066	cf::cfg_load;
2453	cf::db_load;
2454		3067
2455	warn "loading extensions";	3068	warn "loading extensions";
2456	cf::load_extensions;	3069	cf::load_extensions;
2457		3070
2458	warn "reattaching attachments to objects/players";	3071	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3072	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3073	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3074	reattach $_ for values %MAP;
		3075	warn "reattaching attachments to players";
		3076	reattach $_ for values %PLAYER;
2462		3077
2463	warn "restarting server ticker";	3078	warn "leaving sync_job";
2464		3079
2465	$TICK_WATCHER->start;	3080	1
2466	};	3081	} or do {
2467
2468	if ($@) {
2469	warn $@;	3082	warn $@;
2470	warn "error while reloading, exiting.";	3083	warn "error while reloading, exiting.";
2471	exit 1;	3084	exit 1;
2472	}	3085	};
2473		3086
2474	warn "reloaded";	3087	warn "reloaded";
2475	};	3088	};
2476		3089
2477	our $RELOAD_WATCHER; # used only during reload	3090	our $RELOAD_WATCHER; # used only during reload
2478		3091
		3092	sub reload_perl() {
		3093	# doing reload synchronously and two reloads happen back-to-back,
		3094	# coro crashes during coro_state_free->destroy here.
		3095
		3096	$RELOAD_WATCHER ||= Event->timer (
		3097	reentrant => 0,
		3098	after => 0,
		3099	data => WF_AUTOCANCEL,
		3100	cb => sub {
		3101	do_reload_perl;
		3102	undef $RELOAD_WATCHER;
		3103	},
		3104	);
		3105	}
		3106
2479	register_command "reload" => sub {	3107	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3108	my ($who, $arg) = @_;
2481		3109
2482	if ($who->flag (FLAG_WIZ)) {	3110	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3111	$who->message ("reloading server.");
2484		3112	async { reload_perl };
2485	# doing reload synchronously and two reloads happen back-to-back,
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);
2497	}	3113	}
2498	};	3114	};
2499		3115
2500	unshift @INC, $LIBDIR;	3116	unshift @INC, $LIBDIR;
2501		3117
2502	my $bug_warning = 0;	3118	my $bug_warning = 0;
2503		3119
		3120	our @WAIT_FOR_TICK;
		3121	our @WAIT_FOR_TICK_BEGIN;
		3122
		3123	sub wait_for_tick {
		3124	return unless $TICK_WATCHER->is_active;
		3125	return if $Coro::current == $Coro::main;
		3126
		3127	my $signal = new Coro::Signal;
		3128	push @WAIT_FOR_TICK, $signal;
		3129	$signal->wait;
		3130	}
		3131
		3132	sub wait_for_tick_begin {
		3133	return unless $TICK_WATCHER->is_active;
		3134	return if $Coro::current == $Coro::main;
		3135
		3136	my $signal = new Coro::Signal;
		3137	push @WAIT_FOR_TICK_BEGIN, $signal;
		3138	$signal->wait;
		3139	}
		3140
		3141	my $min = 1e6;#d#
		3142	my $avg = 10;
2504	$TICK_WATCHER = Event->timer (	3143	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3144	reentrant => 0,
2506	parked => 1,	3145	parked => 1,
2507	prio => 0,	3146	prio => 0,
2508	at => $NEXT_TICK || $TICK,	3147	at => $NEXT_TICK || $TICK,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3151	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3152	unless ++$bug_warning > 10;
2514	return;	3153	return;
2515	}	3154	}
2516		3155
2517	$NOW = Event::time;	3156	$NOW = $tick_start = Event::time;
2518		3157
2519	cf::server_tick; # one server iteration	3158	cf::server_tick; # one server iteration
		3159
		3160	0 && sync_job {#d#
		3161	for(1..10) {
		3162	my $t = Event::time;
		3163	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3164	or die;
		3165
		3166	$map->width (50);
		3167	$map->height (50);
		3168	$map->alloc;
		3169	$map->_load_objects ("/tmp/x.map", 1);
		3170	my $t = Event::time - $t;
		3171
		3172	#next unless $t < 0.0013;#d#
		3173	if ($t < $min) {
		3174	$min = $t;
		3175	}
		3176	$avg = $avg * 0.99 + $t * 0.01;
		3177	}
		3178	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3179	exit 0;
		3180	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3181	};
		3182
2520	$RUNTIME += $TICK;	3183	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3184	$NEXT_TICK += $TICK;
2522		3185
2523	$WAIT_FOR_TICK->broadcast;	3186	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3187	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3188	Coro::async_pool {
2526	Event::sweep;	3189	write_runtime
2527	Coro::cede_notself;	3190	or warn "ERROR: unable to write runtime file: $!";
		3191	};
2528		3192	}
		3193
2529	# my $AFTER = Event::time;	3194	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	3195	# warn $AFTER - $NOW;#d#
2531		3196
		3197	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3198	$sig->send;
		3199	}
		3200	while (my $sig = shift @WAIT_FOR_TICK) {
		3201	$sig->send;
		3202	}
		3203
		3204	$NOW = Event::time;
		3205
2532	# if we are delayed by four ticks or more, skip them all	3206	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3207	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3208
2535	$TICK_WATCHER->at ($NEXT_TICK);	3209	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
		3211
		3212	$LOAD = ($NOW - $tick_start) / $TICK;
		3213	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3214
		3215	_post_tick;
		3216
		3217
2537	},	3218	},
2538	);	3219	);
2539		3220
		3221	{
		3222	BDB::max_poll_time $TICK * 0.1;
		3223	$BDB_POLL_WATCHER = Event->io (
		3224	reentrant => 0,
		3225	fd => BDB::poll_fileno,
		3226	poll => 'r',
		3227	prio => 0,
		3228	data => WF_AUTOCANCEL,
		3229	cb => \&BDB::poll_cb,
		3230	);
		3231	BDB::min_parallel 8;
		3232
		3233	BDB::set_sync_prepare {
		3234	my $status;
		3235	my $current = $Coro::current;
		3236	(
		3237	sub {
		3238	$status = $!;
		3239	$current->ready; undef $current;
		3240	},
		3241	sub {
		3242	Coro::schedule while defined $current;
		3243	$! = $status;
		3244	},
		3245	)
		3246	};
		3247
		3248	unless ($DB_ENV) {
		3249	$DB_ENV = BDB::db_env_create;
		3250
		3251	cf::sync_job {
		3252	eval {
		3253	BDB::db_env_open
		3254	$DB_ENV,
		3255	$BDBDIR,
		3256	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3257	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3258	0666;
		3259
		3260	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3261
		3262	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3263	$DB_ENV->set_lk_detect;
		3264	};
		3265
		3266	cf::cleanup "db_env_open(db): $@" if $@;
		3267	};
		3268	}
		3269	}
		3270
		3271	{
		3272	IO::AIO::min_parallel 8;
		3273
		3274	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3275	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3276	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3277	reentrant => 0,
		3278	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3279	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3280	poll => 'r',
2547	prio => 6,	3281	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3282	cb => \&IO::AIO::poll_cb,
2550	);	3283	);
		3284	}
2551		3285
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3286	my $_log_backtrace;
2553	reentrant => 0,	3287
2554	data => WF_AUTOCANCEL,	3288	sub _log_backtrace {
2555	after => 1,	3289	my ($msg, @addr) = @_;
2556	interval => 10,	3290
2557	prio => 6, # keep it lowest so it acts like a watchdog	3291	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3292
2559	write_runtime	3293	# limit the # of concurrent backtraces
2560	or warn "ERROR: unable to write runtime file: $!";	3294	if ($_log_backtrace < 2) {
		3295	++$_log_backtrace;
		3296	async {
		3297	my @bt = fork_call {
		3298	@addr = map { sprintf "%x", $_ } @addr;
		3299	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3300	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3301	or die "addr2line: $!";
		3302
		3303	my @funcs;
		3304	my @res = <$fh>;
		3305	chomp for @res;
		3306	while (@res) {
		3307	my ($func, $line) = splice @res, 0, 2, ();
		3308	push @funcs, "[$func] $line";
		3309	}
		3310
		3311	@funcs
		3312	};
		3313
		3314	LOG llevInfo, "[ABT] $msg\n";
		3315	LOG llevInfo, "[ABT] $_\n" for @bt;
		3316	--$_log_backtrace;
		3317	};
		3318	} else {
		3319	LOG llevInfo, "[ABT] $msg\n";
		3320	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	3321	}
2562	);	3322	}
		3323
		3324	# load additional modules
		3325	use cf::pod;
2563		3326
2564	END { cf::emergency_save }	3327	END { cf::emergency_save }
2565		3328
2566	1	3329	1
2567		3330

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