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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.192 by root, Wed Jan 24 01:43:01 2007 UTC vs.
Revision 1.307 by root, Sun Jul 15 22:39:48 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 3.4 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	132	every server tick.
102		133
103	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.
127		171
128	=back	172	=back
129		173
130	=cut	174	=cut
131		175
132	BEGIN {	176	BEGIN {
133	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	178	my $msg = join "", @_;
135	utf8::encode $msg;
136		179
137	$msg .= "\n"	180	$msg .= "\n"
138	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
139		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
140	LOG llevError, $msg;	186	LOG llevError, $msg;
141	};	187	};
142	}	188	}
143		189
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		197
151	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	199	# within the Safe compartment.
153	for my $pkg (qw(	200	for my $pkg (qw(
154	cf::global cf::attachable	201	cf::global cf::attachable
…		…
162	}	209	}
163		210
164	$Event::DIED = sub {	211	$Event::DIED = sub {
165	warn "error in event callback: @_";	212	warn "error in event callback: @_";
166	};	213	};
		214
		215	#############################################################################
167		216
168	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
169		218
170	=over 4	219	=over 4
171		220
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	240	$d
192	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
193	}	242	}
194		243
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
198		245
199	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
200		247
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
209		249
210	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
211		251
212	=cut	252	=cut
213		253
214	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
216	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
218		258
219	=item cf::lock_wait $string	259	=item cf::lock_wait $string
220		260
221	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
222		262
…		…
228	returned.	268	returned.
229		269
230	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
232		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
233	=cut	277	=cut
234		278
235	our %LOCK;	279	our %LOCK;
236		280
237	sub lock_wait($) {	281	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
258	}	302	}
259	}	303	}
260		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
261	sub freeze_mainloop {	311	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
263		313
264	my $guard = Coro::guard {	314	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	315	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	316	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
270	$guard	318	$guard
271	}	319	}
272		320
273	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
280		328
281	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
282		330
283	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
284		332
285	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
288		337
289	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
292	fast or be very important.	341	fast or be very important.
…		…
295		344
296	sub sync_job(&) {	345	sub sync_job(&) {
297	my ($job) = @_;	346	my ($job) = @_;
298		347
299	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
300	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
302		353
303	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
315		366
316	while ($busy) {	367	while ($busy) {
317	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
318	}	369	}
319		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
320	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
321	} else {	379	} else {
322	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
323		381
324	$job->()	382	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
344		402
345	$coro	403	$coro
346	}	404	}
347		405
348	sub write_runtime {	406	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		407
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
352	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
353		412
354	my $value = $cf::RUNTIME + 90 + 10;	413	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		414
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	415	sub _store_scalar {
359	and return;	416	open my $fh, ">", \my $buf
360		417	or die "fork_call: cannot open fh-to-buf in child : $!";
361	aio_fsync $fh	418	Storable::store_fd $_[0], $fh;
362	and return;
363
364	close $fh	419	close $fh;
365	or return;
366		420
367	aio_rename "$runtime~", $runtime	421	$buf
368	and return;	422	}
369		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
370	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	593	}
372		594
373	=back	595	=back
374		596
375	=cut	597	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
384		606
385	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	609	Crossfire TRT).
388		610
389	=over 4	611	=over 4
390		612
391	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
392		614
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
556		778
557	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		783
562	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	785	my $pkg = shift @arg;
564		786
565	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
595	}	817	}
596		818
597	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
598	} else {	820	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	822	}
601		823
602	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
603	}	825	}
604		826
…		…
606	if (ref $_[0]) {	828	if (ref $_[0]) {
607	_object_attach @_;	829	_object_attach @_;
608	} else {	830	} else {
609	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
610	}	832	}
		833	_recalc_want;
611	};	834	};
612		835
613	# all those should be optimised	836	# all those should be optimised
614	sub cf::attachable::detach {	837	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
619	reattach ($obj);	842	reattach ($obj);
620	} else {	843	} else {
621	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
622	}	845	}
		846	_recalc_want;
623	};	847	};
624		848
625	sub cf::attachable::attached {	849	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
627		851
…		…
750	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
751		975
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	980	close $fh;
757		981
758	if (@$objs) {	982	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	988	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
766	}	990	}
767	} else {	991	} else {
768	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
800	or return;	1024	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1026	}
803		1027
804	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1030	return ($data, $av);
807	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
808		1038
809	#############################################################################	1039	#############################################################################
810	# command handling &c	1040	# command handling &c
811		1041
812	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1056	}
827		1057
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1059
830	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
831		1065
832	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
833	called.	1067	called.
834		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
835	=cut	1080	=cut
836		1081
837	sub register_extcmd {	1082	sub register_extcmd {
838	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
839		1084
840	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
841	}	1092	}
842		1093
843	cf::player->attach (	1094	cf::player->attach (
844	on_command => sub {	1095	on_command => sub {
845	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1105	cf::override;
855	},	1106	},
856	on_extcmd => sub {	1107	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
858		1109
859	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1111
861	if (ref $msg) {	1112	if (ref $msg) {
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
863	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
864	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
870		1121
871	cf::override;	1122	cf::override;
872	},	1123	},
873	);	1124	);
874		1125
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
910	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1131	next unless -r $path;
912	eval {	1132
913	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
914	1	1190	}
915	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
916	}	1196	};
917	}	1197	}
918		1198
919	#############################################################################	1199	#############################################################################
920		1200
		1201	=back
		1202
921	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
922		1204
923	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
924		1206
925	=cut	1207	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
938		1220
939	=cut	1221	=cut
940		1222
941	sub playerdir($) {	1223	sub playerdir($) {
942	cf::localdir	1224	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1226	}
948		1227
949	sub path($) {	1228	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1230
952	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
953	}	1232	}
954		1233
955	sub find_active($) {	1234	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1249	my $login = $_[0];
971		1250
972	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
973		1252
974	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
975	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
976	or return;	1262	or return;
977	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
978	}	1264	}
979	}	1265	}
…		…
1016		1302
1017	=cut	1303	=cut
1018		1304
1019	sub quit_character {	1305	sub quit_character {
1020	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1021		1309
1022	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1312
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1035	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
1036	}	1344	}
1037		1345
1038	=item cf::player::list_logins	1346	=item cf::player::list_logins
1039		1347
1040	Returns am arrayref of all valid playernames in the system, can take a	1348	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1042		1350
1043	=cut	1351	=cut
1044		1352
1045	sub list_logins {	1353	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1355	or return [];
1048		1356
1049	my @logins;	1357	my @logins;
1050		1358
1051	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1068	=cut	1376	=cut
1069		1377
1070	sub maps($) {	1378	sub maps($) {
1071	my ($pl) = @_;	1379	my ($pl) = @_;
1072		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
		1382
1073	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1074	or return;	1384	or return;
1075		1385
1076	my @paths;	1386	my @paths;
1077		1387
1078	for (@$files) {	1388	for (@$files) {
1079	utf8::decode $_;	1389	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1082		1392
1083	s/\.map$//;	1393	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1394	}
1086		1395
1087	\@paths	1396	\@paths
1088	}	1397	}
1089		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1091		1450
1092	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1093		1452
1094	=cut	1453	=cut
1095		1454
1096	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1098		1457
1099	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1100		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1460	}
1103		1461
1104	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->{match} && $path =~ $region->{match}) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1105		1502
1106	=back	1503	=back
1107
1108		1504
1109	=head3 cf::map	1505	=head3 cf::map
1110		1506
1111	=over 4	1507	=over 4
1112		1508
…		…
1167	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1168		1564
1169	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1170	local $self->{path};	1566	local $self->{path};
1171	local $self->{load_path};	1567	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1568
1175	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1176	}	1570	}
1177		1571
1178	sub normalise {	1572	sub normalise {
1179	my ($path, $base) = @_;	1573	my ($path, $base) = @_;
1180		1574
1181	$path = "$path"; # make sure its a string	1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
1182		1578
1183	# map plan:	1579	# map plan:
1184	#	1580	#
1185	# /! non-realised random map exit (special hack!)	1581	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1582	# {... are special paths that are not being touched
…		…
1248		1644
1249	# the original (read-only) location	1645	# the original (read-only) location
1250	sub load_path {	1646	sub load_path {
1251	my ($self) = @_;	1647	my ($self) = @_;
1252		1648
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1254	}	1650	}
1255		1651
1256	# the temporary/swap location	1652	# the temporary/swap location
1257	sub save_path {	1653	sub save_path {
1258	my ($self) = @_;	1654	my ($self) = @_;
1259		1655
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1262	}	1658	}
1263		1659
1264	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1265	sub uniq_path {	1661	sub uniq_path {
1266	my ($self) = @_;	1662	my ($self) = @_;
1267		1663
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1270	}	1666	}
1271		1667
1272	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1273	# all maps in C++...	1669	# all maps in C++...
1274	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1276		1672
1277	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1279	}	1675	}
1280		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1281	sub unlink_save {	1685	sub unlink_save {
1282	my ($self) = @_;	1686	my ($self) = @_;
1283		1687
1284	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1692
1289	sub load_header_from($) {	1693	sub load_header_from($) {
1290	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1291		1695
1292	utf8::encode $path;	1696	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
1294	or return;	1698	# or return;
1295		1699
1296	$self->_load_header ($path)	1700	$self->_load_header ($path)
1297	or return;	1701	or return;
1298		1702
1299	$self->{load_path} = $path;	1703	$self->{load_path} = $path;
…		…
1341	$self->load_header_orig	1745	$self->load_header_orig
1342	or return;	1746	or return;
1343	$self->prepare_orig;	1747	$self->prepare_orig;
1344	}	1748	}
1345		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
		1755
1346	1	1756	1
1347	}	1757	}
1348		1758
1349	sub find;	1759	sub find;
1350	sub find {	1760	sub find {
…		…
1362	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1363		1773
1364	$map->load_header	1774	$map->load_header
1365	or return;	1775	or return;
1366		1776
1367	if ($map->should_reset) {	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1780	$map->reset;
1371	undef $guard;	1781	undef $guard;
1372	return find $path;	1782	return find $path;
…		…
1380	sub post_load { }	1790	sub post_load { }
1381		1791
1382	sub load {	1792	sub load {
1383	my ($self) = @_;	1793	my ($self) = @_;
1384		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1385	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1386	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1387		1801
1388	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1389		1803
1390	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1391		1805
1392	$self->alloc;	1806	$self->alloc;
1393		1807
1394	$self->pre_load;	1808	$self->pre_load;
1395
1396	$self->_load_objects ($self->{load_path}, 1)
1397	or return;
1398
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1400	if delete $self->{load_original};
1401
1402	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {
1405	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);
1407	}
1408	}
1409
1410	Coro::cede;
1411
1412	# now do the right thing for maps
1413	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;	1809	Coro::cede;
1420	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1421	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	1829	unless $self->difficulty;
1423	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1424	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1425	}	1843	}
1426		1844
1427	$self->post_load;	1845	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1846	}
1431		1847
1432	sub customise_for {	1848	sub customise_for {
1433	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1434		1850
1435	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1437		1856
1438	$self	1857	$self
1439	}	1858	}
1440		1859
1441	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1552		1971
1553	sub reset_at {	1972	sub reset_at {
1554	my ($self) = @_;	1973	my ($self) = @_;
1555		1974
1556	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1559		1977
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		1980
…		…
1573	my ($self) = @_;	1991	my ($self) = @_;
1574		1992
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1994
1577	return if $self->players;	1995	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		1996
1580	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1581		2008
1582	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1583		2010
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	$self->clear;	2011	$self->clear;
1586		2012
1587	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1588		2014
1589	$self->unlink_save;	2015	$self->unlink_save;
…		…
1608	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1609		2035
1610	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1611	}	2037	}
1612		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1613	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1614		2076
1615	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2078	instantiated unique items. May block.
1617		2079
1618	=cut	2080	=cut
1619		2081
1620	sub unique_maps() {	2082	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1622	or return;	2084	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2085	utf8::decode $_;
1628	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;
1630
1631	s/\.map$//;	2086	/\.map$/
1632	push @paths, $_;	2087	? normalise $_
		2088	: ()
		2089	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2090	]
1634
1635	\@paths
1636	}	2091	}
1637		2092
1638	package cf;	2093	package cf;
1639		2094
1640	=back	2095	=back
…		…
1686		2141
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2143
1689	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1691	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1694	}	2163	}
1695	}	2164	}
1696		2165
1697	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1698		2167
…		…
1731	=cut	2200	=cut
1732		2201
1733	sub link_map {	2202	sub link_map {
1734	unless ($LINK_MAP) {	2203	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2204	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2206	$LINK_MAP->load;
1738	}	2207	}
1739		2208
1740	$LINK_MAP	2209	$LINK_MAP
1741	}	2210	}
…		…
1746	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1747		2216
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2218
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1752		2221
1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2223	}
1755		2224
1756	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1758		2229
1759	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1760		2231
1761	unless ($map) {	2232	unless ($map) {
1762	# restore original map position	2233	# restore original map position
…		…
1780	$map->load;	2251	$map->load;
1781	$map->load_diag;	2252	$map->load_diag;
1782		2253
1783	return unless $self->contr->active;	2254	return unless $self->contr->active;
1784	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1786	}	2259	}
1787		2260
1788	cf::player->attach (	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2262
1792	# abort map switching before logout	2263	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2264	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2265	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2266	the new (success) or old (failed) map position. In either case, $done will
1796	};	2267	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2268
1802	# try to abort aborted map switching on player login :)
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2269	=cut
		2270
		2271	our $GOTOGEN;
1823		2272
1824	sub cf::object::player::goto {	2273	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2274	my ($self, $path, $x, $y, $check, $done) = @_;
		2275
		2276	# do generation counting so two concurrent goto's will be executed in-order
		2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2278
1827	$self->enter_link;	2279	$self->enter_link;
1828		2280
1829	(async {	2281	(async {
		2282	my $map = eval {
1830	my $map = cf::map::find $path;	2283	my $map = cf::map::find $path;
		2284
		2285	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2286	$map = $map->customise_for ($self);
1832		2287	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2288	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	}
1837		2291
		2292	$map
		2293	};
		2294
		2295	if ($@) {
		2296	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2297	LOG llevError | logBacktrace, Carp::longmess $@;
		2298	}
		2299
		2300	if ($gen == $self->{_goto_generation}) {
		2301	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
		2303	}
		2304
		2305	$done->() if $done;
1839	})->prio (1);	2306	})->prio (1);
1840	}	2307	}
1841		2308
1842	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
1843		2310
…		…
1872	# that depends on the exit object	2339	# that depends on the exit object
1873		2340
1874	my $rmp = parse_random_map_params $exit->msg;	2341	my $rmp = parse_random_map_params $exit->msg;
1875		2342
1876	if ($exit->map) {	2343	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2344	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2345	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2346	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2347	$rmp->{origin_y} = $exit->y;
1881	}	2348	}
1882		2349
1883	$rmp->{random_seed} ||= $exit->random_seed;	2350	$rmp->{random_seed} ||= $exit->random_seed;
1884		2351
1885	my $data = cf::to_json $rmp;	2352	my $data = cf::to_json $rmp;
1886	my $md5 = Digest::MD5::md5_hex $data;	2353	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2354	my $meta = "$RANDOMDIR/$md5.meta";
1888		2355
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2357	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2358	undef $fh;
1892	aio_rename "$meta~", $meta;	2359	aio_rename "$meta~", $meta;
…		…
1899	sub cf::object::player::enter_exit {	2366	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2367	my ($self, $exit) = @_;
1901		2368
1902	return unless $self->type == cf::PLAYER;	2369	return unless $self->type == cf::PLAYER;
1903		2370
		2371	if ($exit->slaying eq "/!") {
		2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2373	# the problem is that $exit might not survive long enough
		2374	# so it needs to be done right now, right here
		2375	cf::sync_job { prepare_random_map $exit };
		2376	}
		2377
		2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2379	my $hp = $exit->stats->hp;
		2380	my $sp = $exit->stats->sp;
		2381
1904	$self->enter_link;	2382	$self->enter_link;
		2383
		2384	# if exit is damned, update players death & WoR home-position
		2385	$self->contr->savebed ($slaying, $hp, $sp)
		2386	if $exit->flag (FLAG_DAMNED);
1905		2387
1906	(async {	2388	(async {
1907	$self->deactivate_recursive; # just to be sure	2389	$self->deactivate_recursive; # just to be sure
1908	unless (eval {	2390	unless (eval {
1909	prepare_random_map $exit	2391	$self->goto ($slaying, $hp, $sp);
1910	if $exit->slaying eq "/!";
1911
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1914		2392
1915	1;	2393	1;
1916	}) {	2394	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2395	$self->message ("Something went wrong deep within the crossfire server. "
1918	. "I'll try to bring you back to the map you were before. "	2396	. "I'll try to bring you back to the map you were before. "
1919	. "Please report this to the dungeon master!",	2397	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2398	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2399
1922	warn "ERROR in enter_exit: $@";	2400	warn "ERROR in enter_exit: $@";
1923	$self->leave_link;	2401	$self->leave_link;
1924	}	2402	}
1925	})->prio (1);	2403	})->prio (1);
…		…
1938		2416
1939	sub cf::client::send_drawinfo {	2417	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2418	my ($self, $text, $flags) = @_;
1941		2419
1942	utf8::encode $text;	2420	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2422	}
1945		2423
		2424	=item $client->send_msg ($color, $type, $msg, [extra...])
		2425
		2426	Send a drawinfo or msg packet to the client, formatting the msg for the
		2427	client if neccessary. C<$type> should be a string identifying the type of
		2428	the message, with C<log> being the default. If C<$color> is negative, suppress
		2429	the message unless the client supports the msg packet.
		2430
		2431	=cut
		2432
		2433	sub cf::client::send_msg {
		2434	my ($self, $color, $type, $msg, @extra) = @_;
		2435
		2436	$msg = $self->pl->expand_cfpod ($msg);
		2437
		2438	return unless @extra || length $msg;
		2439
		2440	if ($self->can_msg) {
		2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2442	} else {
		2443	# replace some tags by gcfclient-compatible ones
		2444	for ($msg) {
		2445	1 while
		2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2451	}
		2452
		2453	if ($color >= 0) {
		2454	if (0 && $msg =~ /\[/) {
		2455	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2456	} else {
		2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2458	$self->send_packet ("drawinfo $color $msg")
		2459	}
		2460	}
		2461	}
		2462	}
		2463
		2464	=item $client->ext_event ($type, %msg)
		2465
		2466	Sends an ext event to the client.
		2467
		2468	=cut
		2469
		2470	sub cf::client::ext_event($$%) {
		2471	my ($self, $type, %msg) = @_;
		2472
		2473	return unless $self->extcmd;
		2474
		2475	$msg{msgtype} = "event_$type";
		2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2477	}
1946		2478
1947	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
1948		2480
1949	Queues a query to the client, calling the given callback with	2481	Queues a query to the client, calling the given callback with
1950	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2482	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1951	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2483	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1952		2484
1953	Queries can fail, so check the return code. Or don't, as queries will become	2485	Queries can fail, so check the return code. Or don't, as queries will
1954	reliable at some point in the future.	2486	become reliable at some point in the future.
1955		2487
1956	=cut	2488	=cut
1957		2489
1958	sub cf::client::query {	2490	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	2499	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		2501
1970	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
1972	}	2506	}
1973		2507
1974	cf::client->attach (	2508	cf::client->attach (
		2509	on_connect => sub {
		2510	my ($ns) = @_;
		2511
		2512	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2513	},
1975	on_reply => sub {	2514	on_reply => sub {
1976	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
1977		2516
1978	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
1979	# get handled first	2518	# get handled first
1980	my $queue = delete $ns->{query_queue}	2519	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	2520	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		2521
1983	(shift @$queue)->[1]->($msg);	2522	(shift @$queue)->[1]->($msg);
		2523	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		2524
1985	push @{ $ns->{query_queue} }, @$queue;	2525	push @{ $ns->{query_queue} }, @$queue;
1986		2526
1987	if (@{ $ns->{query_queue} } == @$queue) {	2527	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	2528	if (@$queue) {
…		…
1990	} else {	2530	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	2532	}
1993	}	2533	}
1994	},	2534	},
		2535	on_exticmd => sub {
		2536	my ($ns, $buf) = @_;
		2537
		2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2539
		2540	if (ref $msg) {
		2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2542	if (my %reply = $cb->($ns, $msg)) {
		2543	$reply{msgid} = $msg->{msgid};
		2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2545	}
		2546	}
		2547	} else {
		2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2549	}
		2550
		2551	cf::override;
		2552	},
1995	);	2553	);
1996		2554
1997	=item $client->async (\&cb)	2555	=item $client->async (\&cb)
1998		2556
1999	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046		2604
2047	# here we export the classes and methods available to script code	2605	# here we export the classes and methods available to script code
2048		2606
2049	=pod	2607	=pod
2050		2608
2051	The following fucntions and emthods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
2052		2610
2053	cf::object contr pay_amount pay_player map	2611	cf::object
		2612	contr pay_amount pay_player map x y force_find force_add
		2613	insert remove
		2614
2054	cf::object::player player	2615	cf::object::player
2055	cf::player peaceful	2616	player
2056	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
2057		2623
2058	=cut	2624	=cut
2059		2625
2060	for (	2626	for (
2061	["cf::object" => qw(contr pay_amount pay_player map)],	2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2628	insert remove)],
2062	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
2064	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
2065	) {	2632	) {
2066	no strict 'refs';	2633	no strict 'refs';
…		…
2137	=back	2704	=back
2138		2705
2139	=cut	2706	=cut
2140		2707
2141	#############################################################################	2708	#############################################################################
		2709	# the server's init and main functions
2142		2710
2143	=head2 EXTENSION DATABASE SUPPORT	2711	sub load_facedata($) {
		2712	my ($path) = @_;
2144		2713
2145	Crossfire maintains a very simple database for extension use. It can	2714	warn "loading facedata from $path\n";
2146	currently store anything that can be serialised using Storable, which
2147	excludes objects.
2148		2715
2149	The parameter C<$family> should best start with the name of the extension	2716	my $facedata;
2150	using it, it should be unique.	2717	0 < aio_load $path, $facedata
		2718	or die "$path: $!";
2151		2719
2152	=over 4	2720	$facedata = Coro::Storable::thaw $facedata;
2153		2721
2154	=item $hashref = cf::db_get $family	2722	$facedata->{version} == 2
		2723	or cf::cleanup "$path: version mismatch, cannot proceed.";
2155		2724
2156	Return a hashref for use by the extension C<$family>, which can be
2157	modified. After modifications, you have to call C<cf::db_dirty> or
2158	C<cf::db_sync>.
2159
2160	=item $value = cf::db_get $family => $key
2161
2162	Returns a single value from the database
2163
2164	=item cf::db_put $family => $hashref
2165
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	2725	{
		2726	my $faces = $facedata->{faceinfo};
2192		2727
2193	my $pid;	2728	while (my ($face, $info) = each %$faces) {
		2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2730	cf::face::set_visibility $idx, $info->{visibility};
		2731	cf::face::set_magicmap $idx, $info->{magicmap};
		2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2194		2734
2195	sub db_save() {	2735	cf::cede_to_tick;
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}
2204
2205	my $dirty;
2206
2207	sub db_sync() {
2208	db_save if $dirty;
2209	undef $dirty;
2210	}
2211
2212	my $idle = Event->idle (
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	2736	}
2246	);
2247	}
2248		2737
2249	#############################################################################	2738	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	2739	next unless $info->{smooth};
		2740	my $idx = cf::face::find $face
		2741	or next;
		2742	if (my $smooth = cf::face::find $info->{smooth}) {
		2743	cf::face::set_smooth $idx, $smooth;
		2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2745	} else {
		2746	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2747	}
		2748
		2749	cf::cede_to_tick;
		2750	}
		2751	}
		2752
		2753	{
		2754	my $anims = $facedata->{animinfo};
		2755
		2756	while (my ($anim, $info) = each %$anims) {
		2757	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2758	cf::cede_to_tick;
		2759	}
		2760
		2761	cf::anim::invalidate_all; # d'oh
		2762	}
		2763
		2764	{
		2765	# TODO: for gcfclient pleasure, we should give resources
		2766	# that gcfclient doesn't grok a >10000 face index.
		2767	my $res = $facedata->{resource};
		2768	my $enc = JSON::XS->new->utf8->canonical;
		2769
		2770	while (my ($name, $info) = each %$res) {
		2771	my $meta = $enc->encode ({
		2772	name => $name,
		2773	type => $info->{type},
		2774	copyright => $info->{copyright}, #TODO#
		2775	});
		2776
		2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2778
		2779	if ($name =~ /\.jpg$/) {
		2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2782	} else {
		2783	my $data = pack "(w/a*)*", $meta, $info->{data};
		2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2785
		2786	cf::face::set_type $idx, 1;
		2787	cf::face::set_data $idx, 0, $data, $chk;
		2788	}
		2789
		2790	cf::cede_to_tick;
		2791	}
		2792	}
		2793
		2794	1
		2795	}
		2796
		2797	sub reload_regions {
		2798	load_resource_file "$MAPDIR/regions"
		2799	or die "unable to load regions file\n";
		2800
		2801	for (cf::region::list) {
		2802	$_->{match} = qr/$_->{match}/
		2803	if exists $_->{match};
		2804	}
		2805	}
		2806
		2807	sub reload_facedata {
		2808	load_facedata "$DATADIR/facedata"
		2809	or die "unable to load facedata\n";
		2810	}
		2811
		2812	sub reload_archetypes {
		2813	load_resource_file "$DATADIR/archetypes"
		2814	or die "unable to load archetypes\n";
		2815	#d# NEED to laod twice to resolve forward references
		2816	# this really needs to be done in an extra post-pass
		2817	# (which needs to be synchronous, so solve it differently)
		2818	load_resource_file "$DATADIR/archetypes"
		2819	or die "unable to load archetypes\n";
		2820	}
		2821
		2822	sub reload_treasures {
		2823	load_resource_file "$DATADIR/treasures"
		2824	or die "unable to load treasurelists\n";
		2825	}
		2826
		2827	sub reload_resources {
		2828	warn "reloading resource files...\n";
		2829
		2830	reload_regions;
		2831	reload_facedata;
		2832	#reload_archetypes;#d#
		2833	reload_archetypes;
		2834	reload_treasures;
		2835
		2836	warn "finished reloading resource files\n";
		2837	}
		2838
		2839	sub init {
		2840	reload_resources;
		2841	}
2251		2842
2252	sub cfg_load {	2843	sub cfg_load {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	2844	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	2845	or return;
2255		2846
2256	local $/;	2847	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	2848	*CFG = YAML::Syck::Load <$fh>;
2258		2849
…		…
2278	Event::one_event;	2869	Event::one_event;
2279	})->prio (Coro::PRIO_MAX);	2870	})->prio (Coro::PRIO_MAX);
2280	};	2871	};
2281		2872
2282	cfg_load;	2873	cfg_load;
2283	db_load;	2874	db_init;
2284	load_extensions;	2875	load_extensions;
2285		2876
2286	$TICK_WATCHER->start;	2877	$TICK_WATCHER->start;
2287	Event::loop;	2878	Event::loop;
2288	}	2879	}
…		…
2303	},	2894	},
2304	);	2895	);
2305	}	2896	}
2306	}	2897	}
2307		2898
		2899	sub write_runtime {
		2900	my $runtime = "$LOCALDIR/runtime";
		2901
		2902	# first touch the runtime file to show we are still running:
		2903	# the fsync below can take a very very long time.
		2904
		2905	IO::AIO::aio_utime $runtime, undef, undef;
		2906
		2907	my $guard = cf::lock_acquire "write_runtime";
		2908
		2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2910	or return;
		2911
		2912	my $value = $cf::RUNTIME + 90 + 10;
		2913	# 10 is the runtime save interval, for a monotonic clock
		2914	# 60 allows for the watchdog to kill the server.
		2915
		2916	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2917	and return;
		2918
		2919	# always fsync - this file is important
		2920	aio_fsync $fh
		2921	and return;
		2922
		2923	# touch it again to show we are up-to-date
		2924	aio_utime $fh, undef, undef;
		2925
		2926	close $fh
		2927	or return;
		2928
		2929	aio_rename "$runtime~", $runtime
		2930	and return;
		2931
		2932	warn "runtime file written.\n";
		2933
		2934	1
		2935	}
		2936
2308	sub emergency_save() {	2937	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	2938	my $freeze_guard = cf::freeze_mainloop;
2310		2939
2311	warn "enter emergency perl save\n";	2940	warn "enter emergency perl save\n";
2312		2941
…		…
2327	my $map = $cf::MAP{$path} or next;	2956	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	2957	$map->valid or next;
2329	$map->save;	2958	$map->save;
2330	}	2959	}
2331	warn "end emergency map save\n";	2960	warn "end emergency map save\n";
		2961
		2962	warn "begin emergency database checkpoint\n";
		2963	BDB::db_env_txn_checkpoint $DB_ENV;
		2964	warn "end emergency database checkpoint\n";
2332	};	2965	};
2333		2966
2334	warn "leave emergency perl save\n";	2967	warn "leave emergency perl save\n";
2335	}	2968	}
2336		2969
		2970	sub post_cleanup {
		2971	my ($make_core) = @_;
		2972
		2973	warn Carp::longmess "post_cleanup backtrace"
		2974	if $make_core;
		2975	}
		2976
2337	sub reload() {	2977	sub do_reload_perl() {
2338	# can/must only be called in main	2978	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	2979	if ($Coro::current != $Coro::main) {
2340	warn "can only reload from main coroutine";	2980	warn "can only reload from main coroutine";
2341	return;	2981	return;
2342	}	2982	}
2343		2983
2344	warn "reloading...";	2984	warn "reloading...";
2345		2985
2346	warn "cancelling server ticker";	2986	warn "entering sync_job";
2347	$TICK_WATCHER->cancel;
2348		2987
		2988	cf::sync_job {
		2989	cf::write_runtime; # external watchdog should not bark
2349	cf::emergency_save;	2990	cf::emergency_save;
		2991	cf::write_runtime; # external watchdog should not bark
2350		2992
2351	eval {	2993	warn "syncing database to disk";
		2994	BDB::db_env_txn_checkpoint $DB_ENV;
		2995
2352	# if anything goes wrong in here, we should simply crash as we already saved	2996	# if anything goes wrong in here, we should simply crash as we already saved
2353
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356		2997
2357	warn "cancelling all WF_AUTOCANCEL watchers";	2998	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {	2999	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;	3000	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}	3001	}
2361		3002
2362	warn "flushing outstanding aio requests";	3003	warn "flushing outstanding aio requests";
2363	for (;;) {	3004	for (;;) {
		3005	BDB::flush;
2364	IO::AIO::flush;	3006	IO::AIO::flush;
2365	Coro::cede;	3007	Coro::cede;
2366	last unless IO::AIO::nreqs;	3008	last unless IO::AIO::nreqs || BDB::nreqs;
2367	warn "iterate...";	3009	warn "iterate...";
2368	}	3010	}
		3011
		3012	++$RELOAD;
2369		3013
2370	warn "cancelling all extension coros";	3014	warn "cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	3015	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	3016	%EXT_CORO = ();
2373		3017
2374	warn "removing commands";	3018	warn "removing commands";
2375	%COMMAND = ();	3019	%COMMAND = ();
2376		3020
2377	warn "removing ext commands";	3021	warn "removing ext/exti commands";
2378	%EXTCMD = ();	3022	%EXTCMD = ();
		3023	%EXTICMD = ();
2379		3024
2380	warn "unloading/nuking all extensions";	3025	warn "unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {	3026	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";	3027	warn "... unloading $pkg";
2383		3028
…		…
2413	Symbol::delete_package "safe::$_"	3058	Symbol::delete_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		3060
2416	warn "unloading cf.pm \"a bit\"";	3061	warn "unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	3062	delete $INC{"cf.pm"};
		3063	delete $INC{"cf/pod.pm"};
2418		3064
2419	# don't, removes xs symbols, too,	3065	# don't, removes xs symbols, too,
2420	# and global variables created in xs	3066	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	3067	#Symbol::delete_package __PACKAGE__;
2422		3068
…		…
2426	require cf;	3072	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2428		3074
2429	warn "loading config and database again";	3075	warn "loading config and database again";
2430	cf::cfg_load;	3076	cf::cfg_load;
2431	cf::db_load;
2432		3077
2433	warn "loading extensions";	3078	warn "loading extensions";
2434	cf::load_extensions;	3079	cf::load_extensions;
2435		3080
2436	warn "reattaching attachments to objects/players";	3081	warn "reattaching attachments to objects/players";
2437	_global_reattach;	3082	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	3083	warn "reattaching attachments to maps";
2439	reattach $_ for values %MAP;	3084	reattach $_ for values %MAP;
		3085	warn "reattaching attachments to players";
		3086	reattach $_ for values %PLAYER;
2440		3087
2441	warn "restarting server ticker";	3088	warn "leaving sync_job";
2442		3089
2443	$TICK_WATCHER->start;	3090	1
2444	};	3091	} or do {
2445
2446	if ($@) {
2447	warn $@;	3092	warn $@;
2448	warn "error while reloading, exiting.";	3093	warn "error while reloading, exiting.";
2449	exit 1;	3094	exit 1;
2450	}	3095	};
2451		3096
2452	warn "reloaded";	3097	warn "reloaded";
2453	};	3098	};
2454		3099
2455	our $RELOAD_WATCHER; # used only during reload	3100	our $RELOAD_WATCHER; # used only during reload
2456		3101
		3102	sub reload_perl() {
		3103	# doing reload synchronously and two reloads happen back-to-back,
		3104	# coro crashes during coro_state_free->destroy here.
		3105
		3106	$RELOAD_WATCHER ||= Event->timer (
		3107	reentrant => 0,
		3108	after => 0,
		3109	data => WF_AUTOCANCEL,
		3110	cb => sub {
		3111	do_reload_perl;
		3112	undef $RELOAD_WATCHER;
		3113	},
		3114	);
		3115	}
		3116
2457	register_command "reload" => sub {	3117	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3118	my ($who, $arg) = @_;
2459		3119
2460	if ($who->flag (FLAG_WIZ)) {	3120	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	3121	$who->message ("reloading server.");
2462		3122	async { reload_perl };
2463	# doing reload synchronously and two reloads happen back-to-back,
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);
2475	}	3123	}
2476	};	3124	};
2477		3125
2478	unshift @INC, $LIBDIR;	3126	unshift @INC, $LIBDIR;
2479		3127
2480	my $bug_warning = 0;	3128	my $bug_warning = 0;
2481		3129
		3130	our @WAIT_FOR_TICK;
		3131	our @WAIT_FOR_TICK_BEGIN;
		3132
		3133	sub wait_for_tick {
		3134	return unless $TICK_WATCHER->is_active;
		3135	return if $Coro::current == $Coro::main;
		3136
		3137	my $signal = new Coro::Signal;
		3138	push @WAIT_FOR_TICK, $signal;
		3139	$signal->wait;
		3140	}
		3141
		3142	sub wait_for_tick_begin {
		3143	return unless $TICK_WATCHER->is_active;
		3144	return if $Coro::current == $Coro::main;
		3145
		3146	my $signal = new Coro::Signal;
		3147	push @WAIT_FOR_TICK_BEGIN, $signal;
		3148	$signal->wait;
		3149	}
		3150
		3151	my $min = 1e6;#d#
		3152	my $avg = 10;
2482	$TICK_WATCHER = Event->timer (	3153	$TICK_WATCHER = Event->timer (
2483	reentrant => 0,	3154	reentrant => 0,
2484	parked => 1,	3155	parked => 1,
2485	prio => 0,	3156	prio => 0,
2486	at => $NEXT_TICK || $TICK,	3157	at => $NEXT_TICK || $TICK,
…		…
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	3162	unless ++$bug_warning > 10;
2492	return;	3163	return;
2493	}	3164	}
2494		3165
2495	$NOW = Event::time;	3166	$NOW = $tick_start = Event::time;
2496		3167
2497	cf::server_tick; # one server iteration	3168	cf::server_tick; # one server iteration
		3169
		3170	0 && sync_job {#d#
		3171	for(1..10) {
		3172	my $t = Event::time;
		3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3174	or die;
		3175
		3176	$map->width (50);
		3177	$map->height (50);
		3178	$map->alloc;
		3179	$map->_load_objects ("/tmp/x.map", 1);
		3180	my $t = Event::time - $t;
		3181
		3182	#next unless $t < 0.0013;#d#
		3183	if ($t < $min) {
		3184	$min = $t;
		3185	}
		3186	$avg = $avg * 0.99 + $t * 0.01;
		3187	}
		3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3189	exit 0;
		3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3191	};
		3192
2498	$RUNTIME += $TICK;	3193	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;	3194	$NEXT_TICK += $TICK;
2500		3195
2501	$WAIT_FOR_TICK->broadcast;	3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
2503		3198	Coro::async_pool {
2504	Event::sweep;	3199	write_runtime
2505	Coro::cede_notself;	3200	or warn "ERROR: unable to write runtime file: $!";
		3201	};
2506		3202	}
		3203
2507	# my $AFTER = Event::time;	3204	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#	3205	# warn $AFTER - $NOW;#d#
2509		3206
		3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3208	$sig->send;
		3209	}
		3210	while (my $sig = shift @WAIT_FOR_TICK) {
		3211	$sig->send;
		3212	}
		3213
		3214	$NOW = Event::time;
		3215
2510	# if we are delayed by four ticks or more, skip them all	3216	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2512		3218
2513	$TICK_WATCHER->at ($NEXT_TICK);	3219	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;	3220	$TICK_WATCHER->start;
		3221
		3222	$LOAD = ($NOW - $tick_start) / $TICK;
		3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3224
		3225	_post_tick;
		3226
		3227
2515	},	3228	},
2516	);	3229	);
2517		3230
		3231	{
		3232	BDB::max_poll_time $TICK * 0.1;
		3233	$BDB_POLL_WATCHER = Event->io (
		3234	reentrant => 0,
		3235	fd => BDB::poll_fileno,
		3236	poll => 'r',
		3237	prio => 0,
		3238	data => WF_AUTOCANCEL,
		3239	cb => \&BDB::poll_cb,
		3240	);
		3241	BDB::min_parallel 8;
		3242
		3243	BDB::set_sync_prepare {
		3244	my $status;
		3245	my $current = $Coro::current;
		3246	(
		3247	sub {
		3248	$status = $!;
		3249	$current->ready; undef $current;
		3250	},
		3251	sub {
		3252	Coro::schedule while defined $current;
		3253	$! = $status;
		3254	},
		3255	)
		3256	};
		3257
		3258	unless ($DB_ENV) {
		3259	$DB_ENV = BDB::db_env_create;
		3260
		3261	cf::sync_job {
		3262	eval {
		3263	BDB::db_env_open
		3264	$DB_ENV,
		3265	$BDBDIR,
		3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3268	0666;
		3269
		3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3271
		3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3273	$DB_ENV->set_lk_detect;
		3274	};
		3275
		3276	cf::cleanup "db_env_open(db): $@" if $@;
		3277	};
		3278	}
		3279	}
		3280
		3281	{
		3282	IO::AIO::min_parallel 8;
		3283
		3284	undef $Coro::AIO::WATCHER;
2518	IO::AIO::max_poll_time $TICK * 0.1;	3285	IO::AIO::max_poll_time $TICK * 0.1;
2519
2520	undef $Coro::AIO::WATCHER;
2521	$AIO_POLL_WATCHER = Event->io (	3286	$AIO_POLL_WATCHER = Event->io (
2522	reentrant => 0,	3287	reentrant => 0,
		3288	data => WF_AUTOCANCEL,
2523	fd => IO::AIO::poll_fileno,	3289	fd => IO::AIO::poll_fileno,
2524	poll => 'r',	3290	poll => 'r',
2525	prio => 6,	3291	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,	3292	cb => \&IO::AIO::poll_cb,
2528	);	3293	);
		3294	}
2529		3295
2530	$WRITE_RUNTIME_WATCHER = Event->timer (	3296	my $_log_backtrace;
2531	reentrant => 0,	3297
2532	data => WF_AUTOCANCEL,	3298	sub _log_backtrace {
2533	after => 1,	3299	my ($msg, @addr) = @_;
2534	interval => 10,	3300
2535	prio => 6, # keep it lowest so it acts like a watchdog	3301	$msg =~ s/\n//;
2536	cb => Coro::unblock_sub {	3302
2537	write_runtime	3303	# limit the # of concurrent backtraces
2538	or warn "ERROR: unable to write runtime file: $!";	3304	if ($_log_backtrace < 2) {
		3305	++$_log_backtrace;
		3306	async {
		3307	my @bt = fork_call {
		3308	@addr = map { sprintf "%x", $_ } @addr;
		3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3311	or die "addr2line: $!";
		3312
		3313	my @funcs;
		3314	my @res = <$fh>;
		3315	chomp for @res;
		3316	while (@res) {
		3317	my ($func, $line) = splice @res, 0, 2, ();
		3318	push @funcs, "[$func] $line";
		3319	}
		3320
		3321	@funcs
		3322	};
		3323
		3324	LOG llevInfo, "[ABT] $msg\n";
		3325	LOG llevInfo, "[ABT] $_\n" for @bt;
		3326	--$_log_backtrace;
		3327	};
		3328	} else {
		3329	LOG llevInfo, "[ABT] $msg\n";
		3330	LOG llevInfo, "[ABT] [suppressed]\n";
2539	},	3331	}
2540	);	3332	}
		3333
		3334	# load additional modules
		3335	use cf::pod;
2541		3336
2542	END { cf::emergency_save }	3337	END { cf::emergency_save }
2543		3338
2544	1	3339	1
2545		3340

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