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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.188 by root, Sat Jan 20 23:30:16 2007 UTC vs.
Revision 1.303 by root, Wed Jul 11 15:57:31 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	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) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
1180		1578
1181	# map plan:	1579	# map plan:
1182	#	1580	#
1183	# /! non-realised random map exit (special hack!)	1581	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1582	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1619	$self->init; # pass $1 etc.
1222	return $self;	1620	return $self;
1223	}	1621	}
1224	}	1622	}
1225		1623
1226	Carp::carp "unable to resolve path '$path'.";	1624	Carp::carp "unable to resolve path '$path' (base '$base').";
1227	()	1625	()
1228	}	1626	}
1229		1627
1230	sub init {	1628	sub init {
1231	my ($self) = @_;	1629	my ($self) = @_;
…		…
1246		1644
1247	# the original (read-only) location	1645	# the original (read-only) location
1248	sub load_path {	1646	sub load_path {
1249	my ($self) = @_;	1647	my ($self) = @_;
1250		1648
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1252	}	1650	}
1253		1651
1254	# the temporary/swap location	1652	# the temporary/swap location
1255	sub save_path {	1653	sub save_path {
1256	my ($self) = @_;	1654	my ($self) = @_;
1257		1655
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1260	}	1658	}
1261		1659
1262	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1263	sub uniq_path {	1661	sub uniq_path {
1264	my ($self) = @_;	1662	my ($self) = @_;
1265		1663
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1268	}	1666	}
1269		1667
1270	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1271	# all maps in C++...	1669	# all maps in C++...
1272	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1274		1672
1275	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1277	}	1675	}
1278		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1279	sub unlink_save {	1685	sub unlink_save {
1280	my ($self) = @_;	1686	my ($self) = @_;
1281		1687
1282	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1692
1287	sub load_header_from($) {	1693	sub load_header_from($) {
1288	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1289		1695
1290	utf8::encode $path;	1696	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
1292	or return;	1698	# or return;
1293		1699
1294	$self->_load_header ($path)	1700	$self->_load_header ($path)
1295	or return;	1701	or return;
1296		1702
1297	$self->{load_path} = $path;	1703	$self->{load_path} = $path;
…		…
1339	$self->load_header_orig	1745	$self->load_header_orig
1340	or return;	1746	or return;
1341	$self->prepare_orig;	1747	$self->prepare_orig;
1342	}	1748	}
1343		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
1344	1	1756	1
1345	}	1757	}
1346		1758
1347	sub find;	1759	sub find;
1348	sub find {	1760	sub find {
…		…
1360	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1361		1773
1362	$map->load_header	1774	$map->load_header
1363	or return;	1775	or return;
1364		1776
1365	if ($map->should_reset) {	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1368	$map->reset;	1780	$map->reset;
1369	undef $guard;	1781	undef $guard;
1370	$map = find $path	1782	return find $path;
1371	or return;
1372	}	1783	}
1373		1784
1374	$cf::MAP{$path} = $map	1785	$cf::MAP{$path} = $map
1375	}	1786	}
1376	}	1787	}
…		…
1379	sub post_load { }	1790	sub post_load { }
1380		1791
1381	sub load {	1792	sub load {
1382	my ($self) = @_;	1793	my ($self) = @_;
1383		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1384	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1385	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1386		1801
1387	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1388		1803
1389	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1390		1805
1391	$self->alloc;	1806	$self->alloc;
1392		1807
1393	$self->pre_load;	1808	$self->pre_load;
1394
1395	$self->_load_objects ($self->{load_path}, 1)
1396	or return;
1397
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1399	if delete $self->{load_original};
1400
1401	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {
1404	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);
1406	}
1407	}
1408
1409	Coro::cede;
1410
1411	# now do the right thing for maps
1412	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;	1809	Coro::cede;
1419	$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;
1420	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	1829	unless $self->difficulty;
1422	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($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;
1423	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1424	}	1843	}
1425		1844
1426	$self->post_load;	1845	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	1846	}
1430		1847
1431	sub customise_for {	1848	sub customise_for {
1432	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1433		1850
1434	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1436		1856
1437	$self	1857	$self
1438	}	1858	}
1439		1859
1440	# 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
…		…
1496	delete $MAP_PREFETCH{$path};	1916	delete $MAP_PREFETCH{$path};
1497	}	1917	}
1498	}	1918	}
1499	undef $MAP_PREFETCHER;	1919	undef $MAP_PREFETCHER;
1500	};	1920	};
		1921	$MAP_PREFETCHER->prio (6);
1501		1922
1502	()	1923	()
1503	}	1924	}
1504		1925
1505	sub save {	1926	sub save {
…		…
1550		1971
1551	sub reset_at {	1972	sub reset_at {
1552	my ($self) = @_;	1973	my ($self) = @_;
1553		1974
1554	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1555	return 1e99 if $self->isa ("ext::map_per_player");#d#
1556	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1557		1977
1558	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1559	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1560		1980
…		…
1571	my ($self) = @_;	1991	my ($self) = @_;
1572		1992
1573	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		1994
1575	return if $self->players;	1995	return if $self->players;
1576	return if $self->isa ("ext::map_per_player");#d#
1577		1996
1578	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	}
1579		2008
1580	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1581		2010
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	$self->clear;	2011	$self->clear;
1584		2012
1585	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1586		2014
1587	$self->unlink_save;	2015	$self->unlink_save;
…		…
1606	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1607		2035
1608	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1609	}	2037	}
1610		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
1611	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1612		2076
1613	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2078	instantiated unique items. May block.
1615		2079
1616	=cut	2080	=cut
1617		2081
1618	sub unique_maps() {	2082	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1620	or return;	2084	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2085	utf8::decode $_;
1626	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;
1628
1629	s/\.map$//;	2086	/\.map$/
1630	push @paths, $_;	2087	? normalise $_
		2088	: ()
		2089	} @{ aio_readdir $UNIQUEDIR or [] }
1631	}	2090	]
1632
1633	\@paths
1634	}	2091	}
1635		2092
1636	package cf;	2093	package cf;
1637		2094
1638	=back	2095	=back
…		…
1684		2141
1685	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1686		2143
1687	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1688	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1689	} 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 {
1690	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1691	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1692	}	2163	}
1693	}	2164	}
1694		2165
1695	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1696		2167
…		…
1729	=cut	2200	=cut
1730		2201
1731	sub link_map {	2202	sub link_map {
1732	unless ($LINK_MAP) {	2203	unless ($LINK_MAP) {
1733	$LINK_MAP = cf::map::find "{link}"	2204	$LINK_MAP = cf::map::find "{link}"
1734	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1735	$LINK_MAP->load;	2206	$LINK_MAP->load;
1736	}	2207	}
1737		2208
1738	$LINK_MAP	2209	$LINK_MAP
1739	}	2210	}
…		…
1744	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1745		2216
1746	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1747		2218
1748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1749	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1750		2221
1751	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1752	}	2223	}
1753		2224
1754	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1755	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1756		2229
1757	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1758		2231
1759	unless ($map) {	2232	unless ($map) {
1760	# restore original map position	2233	# restore original map position
…		…
1778	$map->load;	2251	$map->load;
1779	$map->load_diag;	2252	$map->load_diag;
1780		2253
1781	return unless $self->contr->active;	2254	return unless $self->contr->active;
1782	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1783	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1784	}	2259	}
1785		2260
1786	cf::player->attach (
1787	on_logout => sub {
1788	my ($pl) = @_;
1789
1790	# abort map switching before logout
1791	if ($pl->ob->{_link_pos}) {
1792	cf::sync_job {
1793	$pl->ob->leave_link
1794	};
1795	}
1796	},
1797	on_login => sub {
1798	my ($pl) = @_;
1799
1800	# try to abort aborted map switching on player login :)
1801	# should happen only on crashes
1802	if ($pl->ob->{_link_pos}) {
1803	$pl->ob->enter_link;
1804	(async {
1805	# we need this sleep as the login has a concurrent enter_exit running
1806	# and this sleep increases chances of the player not ending up in scorn
1807	$pl->ob->reply (undef,
1808	"There was an internal problem at your last logout, "
1809	. "the server will try to bring you to your intended destination in a second.",
1810	cf::NDI_RED);
1811	Coro::Timer::sleep 1;
1812	$pl->ob->leave_link;
1813	})->prio (2);
1814	}
1815	},
1816	);
1817
1818	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1819		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
1820	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1821		2271
1822	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1823	my ($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;
1824		2277
1825	$self->enter_link;	2278	$self->enter_link;
1826		2279
1827	(async {	2280	(async {
		2281	my $map = eval {
1828	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1829	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1830		2286	$map = $check->($map) if $check && $map;
1831	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1832	# if $map;
1833
1834	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
1835		2290
		2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
		2297	}
		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1836	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1837	})->prio (1);	2303	})->prio (1);
1838	}	2304	}
1839		2305
1840	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1841		2307
…		…
1870	# that depends on the exit object	2336	# that depends on the exit object
1871		2337
1872	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1873		2339
1874	if ($exit->map) {	2340	if ($exit->map) {
1875	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1876	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1877	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1878	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1879	}	2345	}
1880		2346
1881	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1882		2348
1883	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1884	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1885	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1886		2352
1887	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1888	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1889	undef $fh;	2355	undef $fh;
1890	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1897	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1898	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1899		2365
1900	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1901		2367
		2368	if ($exit->slaying eq "/!") {
		2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
		2372	cf::sync_job { prepare_random_map $exit };
		2373	}
		2374
		2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2376	my $hp = $exit->stats->hp;
		2377	my $sp = $exit->stats->sp;
		2378
1902	$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);
1903		2384
1904	(async {	2385	(async {
1905	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1906	unless (eval {	2387	unless (eval {
1907	prepare_random_map $exit	2388	$self->goto ($slaying, $hp, $sp);
1908	if $exit->slaying eq "/!";
1909
1910	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1911	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1912		2389
1913	1;	2390	1;
1914	}) {	2391	}) {
1915	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1916	. "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. "
1917	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1918	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1919		2396
1920	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1921	$self->leave_link;	2398	$self->leave_link;
1922	}	2399	}
1923	})->prio (1);	2400	})->prio (1);
…		…
1936		2413
1937	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1938	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1939		2416
1940	utf8::encode $text;	2417	utf8::encode $text;
1941	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1942	}	2419	}
1943		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	$msg{msgtype} = "event_$type";
		2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2472	}
1944		2473
1945	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1946		2475
1947	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1948	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2477	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1949	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1950		2479
1951	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
1952	reliable at some point in the future.	2481	become reliable at some point in the future.
1953		2482
1954	=cut	2483	=cut
1955		2484
1956	sub cf::client::query {	2485	sub cf::client::query {
1957	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1965	utf8::encode $text;	2494	utf8::encode $text;
1966	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1967		2496
1968	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1969	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1970	}	2501	}
1971		2502
1972	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
1973	on_reply => sub {	2509	on_reply => sub {
1974	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1975		2511
1976	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1977	# get handled first	2513	# get handled first
1978	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1979	or return; # be conservative, not sure how that can happen, but we saw a crash here	2515	or return; # be conservative, not sure how that can happen, but we saw a crash here
1980		2516
1981	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1982		2519
1983	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1984		2521
1985	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1986	if (@$queue) {	2523	if (@$queue) {
…		…
1988	} else {	2525	} else {
1989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1990	}	2527	}
1991	}	2528	}
1992	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
1993	);	2548	);
1994		2549
1995	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
1996		2551
1997	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2044		2599
2045	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2046		2601
2047	=pod	2602	=pod
2048		2603
2049	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2050		2605
2051	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2052	cf::object::player player	2610	cf::object::player
2053	cf::player peaceful	2611	player
2054	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2055		2618
2056	=cut	2619	=cut
2057		2620
2058	for (	2621	for (
2059	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2060	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2061	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2062	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2063	) {	2627	) {
2064	no strict 'refs';	2628	no strict 'refs';
…		…
2135	=back	2699	=back
2136		2700
2137	=cut	2701	=cut
2138		2702
2139	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2140		2705
2141	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2142		2708
2143	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2144	currently store anything that can be serialised using Storable, which
2145	excludes objects.
2146		2710
2147	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2148	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2149		2714
2150	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2151		2716
2152	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2153		2719
2154	Return a hashref for use by the extension C<$family>, which can be
2155	modified. After modifications, you have to call C<cf::db_dirty> or
2156	C<cf::db_sync>.
2157
2158	=item $value = cf::db_get $family => $key
2159
2160	Returns a single value from the database
2161
2162	=item cf::db_put $family => $hashref
2163
2164	Stores the given family hashref into the database. Updates are delayed, if
2165	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2166
2167	=item cf::db_put $family => $key => $value
2168
2169	Stores the given C<$value> in the family hash. Updates are delayed, if you
2170	want the data to be synced to disk immediately, use C<cf::db_sync>.
2171
2172	=item cf::db_dirty
2173
2174	Marks the database as dirty, to be updated at a later time.
2175
2176	=item cf::db_sync
2177
2178	Immediately write the database to disk I<if it is dirty>.
2179
2180	=cut
2181
2182	our $DB;
2183
2184	{
2185	my $path = cf::localdir . "/database.pst";
2186
2187	sub db_load() {
2188	$DB = stat $path ? Storable::retrieve $path : { };
2189	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2190		2722
2191	my $pid;	2723	while (my ($face, $info) = each %$faces) {
		2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2725	cf::face::set_visibility $idx, $info->{visibility};
		2726	cf::face::set_magicmap $idx, $info->{magicmap};
		2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2192		2729
2193	sub db_save() {	2730	cf::cede_to_tick;
2194	waitpid $pid, 0 if $pid;
2195	if (0 == ($pid = fork)) {
2196	$DB->{_meta}{version} = 1;
2197	Storable::nstore $DB, "$path~";
2198	rename "$path~", $path;
2199	cf::_exit 0 if defined $pid;
2200	}
2201	}
2202
2203	my $dirty;
2204
2205	sub db_sync() {
2206	db_save if $dirty;
2207	undef $dirty;
2208	}
2209
2210	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2211	db_sync;
2212	});
2213
2214	sub db_dirty() {
2215	$dirty = 1;
2216	$idle->start;
2217	}
2218
2219	sub db_get($;$) {
2220	@_ >= 2
2221	? $DB->{$_[0]}{$_[1]}
2222	: ($DB->{$_[0]} ||= { })
2223	}
2224
2225	sub db_put($$;$) {
2226	if (@_ >= 3) {
2227	$DB->{$_[0]}{$_[1]} = $_[2];
2228	} else {
2229	$DB->{$_[0]} = $_[1];
2230	}
2231	db_dirty;
2232	}
2233
2234	cf::global->attach (
2235	prio => 10000,
2236	on_cleanup => sub {
2237	db_sync;
2238	},	2731	}
2239	);
2240	}
2241		2732
2242	#############################################################################	2733	while (my ($face, $info) = each %$faces) {
2243	# the server's main()	2734	next unless $info->{smooth};
		2735	my $idx = cf::face::find $face
		2736	or next;
		2737	if (my $smooth = cf::face::find $info->{smooth}) {
		2738	cf::face::set_smooth $idx, $smooth;
		2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2740	} else {
		2741	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2742	}
		2743
		2744	cf::cede_to_tick;
		2745	}
		2746	}
		2747
		2748	{
		2749	my $anims = $facedata->{animinfo};
		2750
		2751	while (my ($anim, $info) = each %$anims) {
		2752	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2753	cf::cede_to_tick;
		2754	}
		2755
		2756	cf::anim::invalidate_all; # d'oh
		2757	}
		2758
		2759	{
		2760	# TODO: for gcfclient pleasure, we should give resources
		2761	# that gcfclient doesn't grok a >10000 face index.
		2762	my $res = $facedata->{resource};
		2763	my $enc = JSON::XS->new->utf8->canonical;
		2764
		2765	while (my ($name, $info) = each %$res) {
		2766	my $meta = $enc->encode ({
		2767	name => $name,
		2768	type => $info->{type},
		2769	copyright => $info->{copyright}, #TODO#
		2770	});
		2771	my $data = pack "(w/a*)*", $meta, $info->{data};
		2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2773
		2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2775	cf::face::set_type $idx, 1;
		2776	cf::face::set_data $idx, 0, $data, $chk;
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	1
		2783	}
		2784
		2785	sub reload_regions {
		2786	load_resource_file "$MAPDIR/regions"
		2787	or die "unable to load regions file\n";
		2788	}
		2789
		2790	sub reload_facedata {
		2791	load_facedata "$DATADIR/facedata"
		2792	or die "unable to load facedata\n";
		2793	}
		2794
		2795	sub reload_archetypes {
		2796	load_resource_file "$DATADIR/archetypes"
		2797	or die "unable to load archetypes\n";
		2798	#d# NEED to laod twice to resolve forward references
		2799	# this really needs to be done in an extra post-pass
		2800	# (which needs to be synchronous, so solve it differently)
		2801	load_resource_file "$DATADIR/archetypes"
		2802	or die "unable to load archetypes\n";
		2803	}
		2804
		2805	sub reload_treasures {
		2806	load_resource_file "$DATADIR/treasures"
		2807	or die "unable to load treasurelists\n";
		2808	}
		2809
		2810	sub reload_resources {
		2811	warn "reloading resource files...\n";
		2812
		2813	reload_regions;
		2814	reload_facedata;
		2815	#reload_archetypes;#d#
		2816	reload_archetypes;
		2817	reload_treasures;
		2818
		2819	warn "finished reloading resource files\n";
		2820	}
		2821
		2822	sub init {
		2823	reload_resources;
		2824	}
2244		2825
2245	sub cfg_load {	2826	sub cfg_load {
2246	open my $fh, "<:utf8", cf::confdir . "/config"	2827	open my $fh, "<:utf8", "$CONFDIR/config"
2247	or return;	2828	or return;
2248		2829
2249	local $/;	2830	local $/;
2250	*CFG = YAML::Syck::Load <$fh>;	2831	*CFG = YAML::Syck::Load <$fh>;
2251		2832
…		…
2271	Event::one_event;	2852	Event::one_event;
2272	})->prio (Coro::PRIO_MAX);	2853	})->prio (Coro::PRIO_MAX);
2273	};	2854	};
2274		2855
2275	cfg_load;	2856	cfg_load;
2276	db_load;	2857	db_init;
2277	load_extensions;	2858	load_extensions;
2278		2859
2279	$TICK_WATCHER->start;	2860	$TICK_WATCHER->start;
2280	Event::loop;	2861	Event::loop;
2281	}	2862	}
…		…
2285		2866
2286	# install some emergency cleanup handlers	2867	# install some emergency cleanup handlers
2287	BEGIN {	2868	BEGIN {
2288	for my $signal (qw(INT HUP TERM)) {	2869	for my $signal (qw(INT HUP TERM)) {
2289	Event->signal (	2870	Event->signal (
		2871	reentrant => 0,
2290	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2291	signal => $signal,	2873	signal => $signal,
		2874	prio => 0,
2292	cb => sub {	2875	cb => sub {
2293	cf::cleanup "SIG$signal";	2876	cf::cleanup "SIG$signal";
2294	},	2877	},
2295	);	2878	);
2296	}	2879	}
		2880	}
		2881
		2882	sub write_runtime {
		2883	my $runtime = "$LOCALDIR/runtime";
		2884
		2885	# first touch the runtime file to show we are still running:
		2886	# the fsync below can take a very very long time.
		2887
		2888	IO::AIO::aio_utime $runtime, undef, undef;
		2889
		2890	my $guard = cf::lock_acquire "write_runtime";
		2891
		2892	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2893	or return;
		2894
		2895	my $value = $cf::RUNTIME + 90 + 10;
		2896	# 10 is the runtime save interval, for a monotonic clock
		2897	# 60 allows for the watchdog to kill the server.
		2898
		2899	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2900	and return;
		2901
		2902	# always fsync - this file is important
		2903	aio_fsync $fh
		2904	and return;
		2905
		2906	# touch it again to show we are up-to-date
		2907	aio_utime $fh, undef, undef;
		2908
		2909	close $fh
		2910	or return;
		2911
		2912	aio_rename "$runtime~", $runtime
		2913	and return;
		2914
		2915	warn "runtime file written.\n";
		2916
		2917	1
2297	}	2918	}
2298		2919
2299	sub emergency_save() {	2920	sub emergency_save() {
2300	my $freeze_guard = cf::freeze_mainloop;	2921	my $freeze_guard = cf::freeze_mainloop;
2301		2922
…		…
2318	my $map = $cf::MAP{$path} or next;	2939	my $map = $cf::MAP{$path} or next;
2319	$map->valid or next;	2940	$map->valid or next;
2320	$map->save;	2941	$map->save;
2321	}	2942	}
2322	warn "end emergency map save\n";	2943	warn "end emergency map save\n";
		2944
		2945	warn "begin emergency database checkpoint\n";
		2946	BDB::db_env_txn_checkpoint $DB_ENV;
		2947	warn "end emergency database checkpoint\n";
2323	};	2948	};
2324		2949
2325	warn "leave emergency perl save\n";	2950	warn "leave emergency perl save\n";
2326	}	2951	}
2327		2952
		2953	sub post_cleanup {
		2954	my ($make_core) = @_;
		2955
		2956	warn Carp::longmess "post_cleanup backtrace"
		2957	if $make_core;
		2958	}
		2959
2328	sub reload() {	2960	sub do_reload_perl() {
2329	# can/must only be called in main	2961	# can/must only be called in main
2330	if ($Coro::current != $Coro::main) {	2962	if ($Coro::current != $Coro::main) {
2331	warn "can only reload from main coroutine";	2963	warn "can only reload from main coroutine";
2332	return;	2964	return;
2333	}	2965	}
2334		2966
2335	warn "reloading...";	2967	warn "reloading...";
2336		2968
2337	warn "cancelling server ticker";	2969	warn "entering sync_job";
2338	$TICK_WATCHER->cancel;
2339		2970
		2971	cf::sync_job {
		2972	cf::write_runtime; # external watchdog should not bark
2340	cf::emergency_save;	2973	cf::emergency_save;
		2974	cf::write_runtime; # external watchdog should not bark
2341		2975
2342	eval {	2976	warn "syncing database to disk";
		2977	BDB::db_env_txn_checkpoint $DB_ENV;
		2978
2343	# if anything goes wrong in here, we should simply crash as we already saved	2979	# if anything goes wrong in here, we should simply crash as we already saved
2344
2345	warn "syncing database to disk";
2346	cf::db_sync;
2347		2980
2348	warn "cancelling all WF_AUTOCANCEL watchers";	2981	warn "cancelling all WF_AUTOCANCEL watchers";
2349	for (Event::all_watchers) {	2982	for (Event::all_watchers) {
2350	$_->cancel if $_->data & WF_AUTOCANCEL;	2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2351	}	2984	}
2352		2985
2353	warn "flushing outstanding aio requests";	2986	warn "flushing outstanding aio requests";
2354	for (;;) {	2987	for (;;) {
		2988	BDB::flush;
2355	IO::AIO::flush;	2989	IO::AIO::flush;
2356	Coro::cede;	2990	Coro::cede;
2357	last unless IO::AIO::nreqs;	2991	last unless IO::AIO::nreqs || BDB::nreqs;
2358	warn "iterate...";	2992	warn "iterate...";
2359	}	2993	}
		2994
		2995	++$RELOAD;
2360		2996
2361	warn "cancelling all extension coros";	2997	warn "cancelling all extension coros";
2362	$_->cancel for values %EXT_CORO;	2998	$_->cancel for values %EXT_CORO;
2363	%EXT_CORO = ();	2999	%EXT_CORO = ();
2364		3000
2365	warn "removing commands";	3001	warn "removing commands";
2366	%COMMAND = ();	3002	%COMMAND = ();
2367		3003
2368	warn "removing ext commands";	3004	warn "removing ext/exti commands";
2369	%EXTCMD = ();	3005	%EXTCMD = ();
		3006	%EXTICMD = ();
2370		3007
2371	warn "unloading/nuking all extensions";	3008	warn "unloading/nuking all extensions";
2372	for my $pkg (@EXTS) {	3009	for my $pkg (@EXTS) {
2373	warn "... unloading $pkg";	3010	warn "... unloading $pkg";
2374		3011
…		…
2404	Symbol::delete_package "safe::$_"	3041	Symbol::delete_package "safe::$_"
2405	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3042	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2406		3043
2407	warn "unloading cf.pm \"a bit\"";	3044	warn "unloading cf.pm \"a bit\"";
2408	delete $INC{"cf.pm"};	3045	delete $INC{"cf.pm"};
		3046	delete $INC{"cf/pod.pm"};
2409		3047
2410	# don't, removes xs symbols, too,	3048	# don't, removes xs symbols, too,
2411	# and global variables created in xs	3049	# and global variables created in xs
2412	#Symbol::delete_package __PACKAGE__;	3050	#Symbol::delete_package __PACKAGE__;
2413		3051
…		…
2417	require cf;	3055	require cf;
2418	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2419		3057
2420	warn "loading config and database again";	3058	warn "loading config and database again";
2421	cf::cfg_load;	3059	cf::cfg_load;
2422	cf::db_load;
2423		3060
2424	warn "loading extensions";	3061	warn "loading extensions";
2425	cf::load_extensions;	3062	cf::load_extensions;
2426		3063
2427	warn "reattaching attachments to objects/players";	3064	warn "reattaching attachments to objects/players";
2428	_global_reattach;	3065	_global_reattach; # objects, sockets
2429	warn "reattaching attachments to maps";	3066	warn "reattaching attachments to maps";
2430	reattach $_ for values %MAP;	3067	reattach $_ for values %MAP;
		3068	warn "reattaching attachments to players";
		3069	reattach $_ for values %PLAYER;
2431		3070
2432	warn "restarting server ticker";	3071	warn "leaving sync_job";
2433		3072
2434	$TICK_WATCHER->start;	3073	1
2435	};	3074	} or do {
2436
2437	if ($@) {
2438	warn $@;	3075	warn $@;
2439	warn "error while reloading, exiting.";	3076	warn "error while reloading, exiting.";
2440	exit 1;	3077	exit 1;
2441	}	3078	};
2442		3079
2443	warn "reloaded";	3080	warn "reloaded";
2444	};	3081	};
2445		3082
2446	our $RELOAD_WATCHER; # used only during reload	3083	our $RELOAD_WATCHER; # used only during reload
2447		3084
		3085	sub reload_perl() {
		3086	# doing reload synchronously and two reloads happen back-to-back,
		3087	# coro crashes during coro_state_free->destroy here.
		3088
		3089	$RELOAD_WATCHER ||= Event->timer (
		3090	reentrant => 0,
		3091	after => 0,
		3092	data => WF_AUTOCANCEL,
		3093	cb => sub {
		3094	do_reload_perl;
		3095	undef $RELOAD_WATCHER;
		3096	},
		3097	);
		3098	}
		3099
2448	register_command "reload" => sub {	3100	register_command "reload" => sub {
2449	my ($who, $arg) = @_;	3101	my ($who, $arg) = @_;
2450		3102
2451	if ($who->flag (FLAG_WIZ)) {	3103	if ($who->flag (FLAG_WIZ)) {
2452	$who->message ("reloading server.");	3104	$who->message ("reloading server.");
2453		3105	async { reload_perl };
2454	# doing reload synchronously and two reloads happen back-to-back,
2455	# coro crashes during coro_state_free->destroy here.
2456
2457	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2458	reload;
2459	undef $RELOAD_WATCHER;
2460	});
2461	}	3106	}
2462	};	3107	};
2463		3108
2464	unshift @INC, $LIBDIR;	3109	unshift @INC, $LIBDIR;
2465		3110
2466	my $bug_warning = 0;	3111	my $bug_warning = 0;
2467		3112
		3113	our @WAIT_FOR_TICK;
		3114	our @WAIT_FOR_TICK_BEGIN;
		3115
		3116	sub wait_for_tick {
		3117	return unless $TICK_WATCHER->is_active;
		3118	return if $Coro::current == $Coro::main;
		3119
		3120	my $signal = new Coro::Signal;
		3121	push @WAIT_FOR_TICK, $signal;
		3122	$signal->wait;
		3123	}
		3124
		3125	sub wait_for_tick_begin {
		3126	return unless $TICK_WATCHER->is_active;
		3127	return if $Coro::current == $Coro::main;
		3128
		3129	my $signal = new Coro::Signal;
		3130	push @WAIT_FOR_TICK_BEGIN, $signal;
		3131	$signal->wait;
		3132	}
		3133
		3134	my $min = 1e6;#d#
		3135	my $avg = 10;
2468	$TICK_WATCHER = Event->timer (	3136	$TICK_WATCHER = Event->timer (
2469	reentrant => 0,	3137	reentrant => 0,
2470	parked => 1,	3138	parked => 1,
2471	prio => 0,	3139	prio => 0,
2472	at => $NEXT_TICK || $TICK,	3140	at => $NEXT_TICK || $TICK,
…		…
2476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2477	unless ++$bug_warning > 10;	3145	unless ++$bug_warning > 10;
2478	return;	3146	return;
2479	}	3147	}
2480		3148
2481	$NOW = Event::time;	3149	$NOW = $tick_start = Event::time;
2482		3150
2483	cf::server_tick; # one server iteration	3151	cf::server_tick; # one server iteration
		3152
		3153	0 && sync_job {#d#
		3154	for(1..10) {
		3155	my $t = Event::time;
		3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3157	or die;
		3158
		3159	$map->width (50);
		3160	$map->height (50);
		3161	$map->alloc;
		3162	$map->_load_objects ("/tmp/x.map", 1);
		3163	my $t = Event::time - $t;
		3164
		3165	#next unless $t < 0.0013;#d#
		3166	if ($t < $min) {
		3167	$min = $t;
		3168	}
		3169	$avg = $avg * 0.99 + $t * 0.01;
		3170	}
		3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3172	exit 0;
		3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3174	};
		3175
2484	$RUNTIME += $TICK;	3176	$RUNTIME += $TICK;
2485	$NEXT_TICK += $TICK;	3177	$NEXT_TICK += $TICK;
2486		3178
2487	$WAIT_FOR_TICK->broadcast;	3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2488	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3181	Coro::async_pool {
		3182	write_runtime
		3183	or warn "ERROR: unable to write runtime file: $!";
		3184	};
		3185	}
		3186
		3187	# my $AFTER = Event::time;
		3188	# warn $AFTER - $NOW;#d#
		3189
		3190	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3191	$sig->send;
		3192	}
		3193	while (my $sig = shift @WAIT_FOR_TICK) {
		3194	$sig->send;
		3195	}
		3196
		3197	$NOW = Event::time;
2489		3198
2490	# if we are delayed by four ticks or more, skip them all	3199	# if we are delayed by four ticks or more, skip them all
2491	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2492		3201
2493	$TICK_WATCHER->at ($NEXT_TICK);	3202	$TICK_WATCHER->at ($NEXT_TICK);
2494	$TICK_WATCHER->start;	3203	$TICK_WATCHER->start;
		3204
		3205	$LOAD = ($NOW - $tick_start) / $TICK;
		3206	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3207
		3208	_post_tick;
		3209
		3210
2495	},	3211	},
2496	);	3212	);
2497		3213
		3214	{
		3215	BDB::max_poll_time $TICK * 0.1;
		3216	$BDB_POLL_WATCHER = Event->io (
		3217	reentrant => 0,
		3218	fd => BDB::poll_fileno,
		3219	poll => 'r',
		3220	prio => 0,
		3221	data => WF_AUTOCANCEL,
		3222	cb => \&BDB::poll_cb,
		3223	);
		3224	BDB::min_parallel 8;
		3225
		3226	BDB::set_sync_prepare {
		3227	my $status;
		3228	my $current = $Coro::current;
		3229	(
		3230	sub {
		3231	$status = $!;
		3232	$current->ready; undef $current;
		3233	},
		3234	sub {
		3235	Coro::schedule while defined $current;
		3236	$! = $status;
		3237	},
		3238	)
		3239	};
		3240
		3241	unless ($DB_ENV) {
		3242	$DB_ENV = BDB::db_env_create;
		3243
		3244	cf::sync_job {
		3245	eval {
		3246	BDB::db_env_open
		3247	$DB_ENV,
		3248	$BDBDIR,
		3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3251	0666;
		3252
		3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3254
		3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3256	$DB_ENV->set_lk_detect;
		3257	};
		3258
		3259	cf::cleanup "db_env_open(db): $@" if $@;
		3260	};
		3261	}
		3262	}
		3263
		3264	{
		3265	IO::AIO::min_parallel 8;
		3266
		3267	undef $Coro::AIO::WATCHER;
2498	IO::AIO::max_poll_time $TICK * 0.2;	3268	IO::AIO::max_poll_time $TICK * 0.1;
2499
2500	$AIO_POLL_WATCHER = Event->io (	3269	$AIO_POLL_WATCHER = Event->io (
2501	fd => IO::AIO::poll_fileno,	3270	reentrant => 0,
2502	poll => 'r',
2503	prio => 5,
2504	data => WF_AUTOCANCEL,
2505	cb => \&IO::AIO::poll_cb,
2506	);
2507
2508	$WRITE_RUNTIME_WATCHER = Event->timer (
2509	data => WF_AUTOCANCEL,	3271	data => WF_AUTOCANCEL,
2510	after => 1,	3272	fd => IO::AIO::poll_fileno,
2511	interval => 10,	3273	poll => 'r',
2512	prio => 6, # keep it lowest so it acts like a watchdog	3274	prio => 6,
2513	cb => Coro::unblock_sub {	3275	cb => \&IO::AIO::poll_cb,
2514	write_runtime	3276	);
2515	or warn "ERROR: unable to write runtime file: $!";	3277	}
		3278
		3279	my $_log_backtrace;
		3280
		3281	sub _log_backtrace {
		3282	my ($msg, @addr) = @_;
		3283
		3284	$msg =~ s/\n//;
		3285
		3286	# limit the # of concurrent backtraces
		3287	if ($_log_backtrace < 2) {
		3288	++$_log_backtrace;
		3289	async {
		3290	my @bt = fork_call {
		3291	@addr = map { sprintf "%x", $_ } @addr;
		3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3294	or die "addr2line: $!";
		3295
		3296	my @funcs;
		3297	my @res = <$fh>;
		3298	chomp for @res;
		3299	while (@res) {
		3300	my ($func, $line) = splice @res, 0, 2, ();
		3301	push @funcs, "[$func] $line";
		3302	}
		3303
		3304	@funcs
		3305	};
		3306
		3307	LOG llevInfo, "[ABT] $msg\n";
		3308	LOG llevInfo, "[ABT] $_\n" for @bt;
		3309	--$_log_backtrace;
		3310	};
		3311	} else {
		3312	LOG llevInfo, "[ABT] $msg\n";
		3313	LOG llevInfo, "[ABT] [suppressed]\n";
2516	},	3314	}
2517	);	3315	}
		3316
		3317	# load additional modules
		3318	use cf::pod;
2518		3319
2519	END { cf::emergency_save }	3320	END { cf::emergency_save }
2520		3321
2521	1	3322	1
2522		3323

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