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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.191 by root, Tue Jan 23 01:05:18 2007 UTC vs.
Revision 1.300 by root, Tue Jul 10 06:44:29 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;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$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		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	78	our $NEXT_TICK;
52	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
53		84
54	our %CFG;	85	our %CFG;
55		86
56	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	88	our $RUNTIME;
58		89
59	our %PLAYER; # all users	90	our %PLAYER; # all users
60	our %MAP; # all maps	91	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	92	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		93
67	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
70	binmode STDOUT;	101	binmode STDOUT;
71	binmode STDERR;	102	binmode STDERR;
72		103
73	# read virtual server time, if available	104	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
78	}	109	}
79		110
80	mkdir cf::localdir;	111	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		113
86	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
87		117
88	#############################################################################	118	#############################################################################
89		119
90	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
91		121
…		…
98	=item $cf::RUNTIME	128	=item $cf::RUNTIME
99		129
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	131	every server tick.
102		132
103	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		136
105	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
107		141
108	=item $cf::NOW	142	=item $cf::NOW
109		143
110	The time of the last (current) server tick.	144	The time of the last (current) server tick.
111		145
112	=item $cf::TICK	146	=item $cf::TICK
113		147
114	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
115		159
116	=item %cf::CFG	160	=item %cf::CFG
117		161
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	163	from wherever your confdir points to.
120		164
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		166
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	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	168	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	169	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		170
128	=back	171	=back
129		172
130	=cut	173	=cut
131		174
132	BEGIN {	175	BEGIN {
133	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	177	my $msg = join "", @_;
135	utf8::encode $msg;
136		178
137	$msg .= "\n"	179	$msg .= "\n"
138	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
139		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
140	LOG llevError, $msg;	185	LOG llevError, $msg;
141	};	186	};
142	}	187	}
143		188
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		196
151	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	198	# within the Safe compartment.
153	for my $pkg (qw(	199	for my $pkg (qw(
154	cf::global cf::attachable	200	cf::global cf::attachable
…		…
162	}	208	}
163		209
164	$Event::DIED = sub {	210	$Event::DIED = sub {
165	warn "error in event callback: @_";	211	warn "error in event callback: @_";
166	};	212	};
		213
		214	#############################################################################
167		215
168	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
169		217
170	=over 4	218	=over 4
171		219
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	239	$d
192	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
193	}	241	}
194		242
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
198		244
199	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
200		246
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
209		248
210	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
211		250
212	=cut	251	=cut
213		252
214	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
216	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
218		257
219	=item cf::lock_wait $string	258	=item cf::lock_wait $string
220		259
221	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
222		261
…		…
228	returned.	267	returned.
229		268
230	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
232		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
233	=cut	276	=cut
234		277
235	our %LOCK;	278	our %LOCK;
236		279
237	sub lock_wait($) {	280	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
258	}	301	}
259	}	302	}
260		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
261	sub freeze_mainloop {	310	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
263		312
264	my $guard = Coro::guard {	313	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	315	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
270	$guard	317	$guard
271	}	318	}
272		319
273	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
280		327
281	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
282		329
283	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
284		331
285	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
288		336
289	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
292	fast or be very important.	340	fast or be very important.
…		…
295		343
296	sub sync_job(&) {	344	sub sync_job(&) {
297	my ($job) = @_;	345	my ($job) = @_;
298		346
299	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
300	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
302		352
303	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
315		365
316	while ($busy) {	366	while ($busy) {
317	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
318	}	368	}
319		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
320	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
321	} else {	378	} else {
322	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
323		380
324	$job->()	381	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
344		401
345	$coro	402	$coro
346	}	403	}
347		404
348	sub write_runtime {	405	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		406
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
352	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
353		411
354	my $value = $cf::RUNTIME + 90 + 10;	412	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		413
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub _store_scalar {
359	and return;	415	open my $fh, ">", \my $buf
360		416	or die "fork_call: cannot open fh-to-buf in child : $!";
361	aio_fsync $fh	417	Storable::store_fd $_[0], $fh;
362	and return;
363
364	close $fh	418	close $fh;
365	or return;
366		419
367	aio_rename "$runtime~", $runtime	420	$buf
368	and return;	421	}
369		422
		423	sub fork_call(&@) {
		424	my ($cb, @args) = @_;
		425
		426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		427	# or die "socketpair: $!";
		428	pipe my $fh1, my $fh2
		429	or die "pipe: $!";
		430
		431	if (my $pid = fork) {
		432	close $fh2;
		433
		434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		435	warn "pst<$res>" unless $res =~ /^pst/;
		436	$res = Coro::Storable::thaw $res;
		437
		438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		439
		440	Carp::confess $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
370	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		498	my $key = "$_[0]/$_[1]";
		499
		500	cf::sync_job {
		501	BDB::db_get $DB, undef, $key, my $data;
		502
		503	$! ? ()
		504	: $data
		505	}
		506	}
		507
		508	sub db_put($$$) {
		509	BDB::dbreq_pri 4;
		510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		511	}
		512
		513	=item cf::cache $id => [$paths...], $processversion => $process
		514
		515	Generic caching function that returns the value of the resource $id,
		516	caching and regenerating as required.
		517
		518	This function can block.
		519
		520	=cut
		521
		522	sub cache {
		523	my ($id, $src, $processversion, $process) = @_;
		524
		525	my $meta =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	aio_stat $_
		530	and Carp::croak "$_: $!";
		531
		532	($_, (stat _)[7,9])
		533	} @$src;
		534
		535	my $dbmeta = db_get cache => "$id/meta";
		536	if ($dbmeta ne $meta) {
		537	# changed, we may need to process
		538
		539	my @data;
		540	my $md5;
		541
		542	for (0 .. $#$src) {
		543	0 <= aio_load $src->[$_], $data[$_]
		544	or Carp::croak "$src->[$_]: $!";
		545	}
		546
		547	# if processing is expensive, check
		548	# checksum first
		549	if (1) {
		550	$md5 =
		551	join "\x00",
		552	$processversion,
		553	map {
		554	Coro::cede;
		555	($src->[$_], Digest::MD5::md5_hex $data[$_])
		556	} 0.. $#$src;
		557
		558
		559	my $dbmd5 = db_get cache => "$id/md5";
		560	if ($dbmd5 eq $md5) {
		561	db_put cache => "$id/meta", $meta;
		562
		563	return db_get cache => "$id/data";
		564	}
		565	}
		566
		567	my $t1 = Time::HiRes::time;
		568	my $data = $process->(\@data);
		569	my $t2 = Time::HiRes::time;
		570
		571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		572
		573	db_put cache => "$id/data", $data;
		574	db_put cache => "$id/md5" , $md5;
		575	db_put cache => "$id/meta", $meta;
		576
		577	return $data;
		578	}
		579
		580	db_get cache => "$id/data"
		581	}
		582
		583	=item cf::datalog type => key => value, ...
		584
		585	Log a datalog packet of the given type with the given key-value pairs.
		586
		587	=cut
		588
		589	sub datalog($@) {
		590	my ($type, %kv) = @_;
		591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	592	}
372		593
373	=back	594	=back
374		595
375	=cut	596	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	603	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
384		605
385	In the following description, CLASS can be any of C<global>, C<object>	606	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	607	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	608	Crossfire TRT).
388		609
389	=over 4	610	=over 4
390		611
391	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
392		613
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	776	$registry = $CB_TYPE[$object_type] ||= [];
556		777
557	} elsif ($type eq "subtype") {	778	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	779	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	780	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	781	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		782
562	} elsif ($type eq "package") {	783	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	784	my $pkg = shift @arg;
564		785
565	while (my ($name, $id) = each %cb_id) {	786	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
595	}	816	}
596		817
597	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
598	} else {	819	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	821	}
601		822
602	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
603	}	824	}
604		825
…		…
606	if (ref $_[0]) {	827	if (ref $_[0]) {
607	_object_attach @_;	828	_object_attach @_;
608	} else {	829	} else {
609	_attach shift->_attach_registry, @_;	830	_attach shift->_attach_registry, @_;
610	}	831	}
		832	_recalc_want;
611	};	833	};
612		834
613	# all those should be optimised	835	# all those should be optimised
614	sub cf::attachable::detach {	836	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	837	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	840	delete $obj->{_attachment}{$name};
619	reattach ($obj);	841	reattach ($obj);
620	} else {	842	} else {
621	Carp::croak "cannot, currently, detach class attachments";	843	Carp::croak "cannot, currently, detach class attachments";
622	}	844	}
		845	_recalc_want;
623	};	846	};
624		847
625	sub cf::attachable::attached {	848	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	849	my ($obj, $name) = @_;
627		850
…		…
750	$filename, length $$rdata, scalar @$objs;	973	$filename, length $$rdata, scalar @$objs;
751		974
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	976	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	978	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	979	close $fh;
757		980
758	if (@$objs) {	981	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	984	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	985	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	986	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	987	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	988	aio_rename "$filename.pst~", "$filename.pst";
766	}	989	}
767	} else {	990	} else {
768	aio_unlink "$filename.pst";	991	aio_unlink "$filename.pst";
…		…
800	or return;	1023	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1025	}
803		1026
804	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1028	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1029	return ($data, $av);
807	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
808		1037
809	#############################################################################	1038	#############################################################################
810	# command handling &c	1039	# command handling &c
811		1040
812	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1055	}
827		1056
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1058
830	Register a callbackf ro execution when the client sends an extcmd packet.	1059	Register a callback for execution when the client sends an (synchronous)
		1060	extcmd packet. Ext commands will be processed in the order they are
		1061	received by the server, like other user commands. The first argument is
		1062	the logged-in player. Ext commands can only be processed after a player
		1063	has logged in successfully.
831		1064
832	If the callback returns something, it is sent back as if reply was being	1065	If the callback returns something, it is sent back as if reply was being
833	called.	1066	called.
834		1067
		1068	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1069
		1070	Register a callback for execution when the client sends an (asynchronous)
		1071	exticmd packet. Exti commands are processed by the server as soon as they
		1072	are received, i.e. out of order w.r.t. other commands. The first argument
		1073	is a client socket. Exti commands can be received anytime, even before
		1074	log-in.
		1075
		1076	If the callback returns something, it is sent back as if reply was being
		1077	called.
		1078
835	=cut	1079	=cut
836		1080
837	sub register_extcmd {	1081	sub register_extcmd {
838	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
839		1083
840	$EXTCMD{$name} = $cb;	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
841	}	1091	}
842		1092
843	cf::player->attach (	1093	cf::player->attach (
844	on_command => sub {	1094	on_command => sub {
845	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1104	cf::override;
855	},	1105	},
856	on_extcmd => sub {	1106	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
858		1108
859	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1110
861	if (ref $msg) {	1111	if (ref $msg) {
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
863	if (my %reply = $cb->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
864	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
870		1120
871	cf::override;	1121	cf::override;
872	},	1122	},
873	);	1123	);
874		1124
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 {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
910	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1130	next unless -r $path;
912	eval {	1131
913	load_extension $ext;	1132	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1133	my $base = $1;
		1134	my $pkg = $1;
		1135	$pkg =~ s/[^[:word:]]/_/g;
		1136	$pkg = "ext::$pkg";
		1137
		1138	open my $fh, "<:utf8", $path
		1139	or die "$path: $!";
		1140
		1141	my $source = do { local $/; <$fh> };
		1142
		1143	my %ext = (
		1144	path => $path,
		1145	base => $base,
		1146	pkg => $pkg,
		1147	);
		1148
		1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1151
		1152	$ext{source} =
		1153	"package $pkg; use strict; use utf8;\n"
		1154	. "#line 1 \"$path\"\n{\n"
		1155	. $source
		1156	. "\n};\n1";
		1157
		1158	$todo{$base} = \%ext;
		1159	}
		1160
		1161	my %done;
		1162	while (%todo) {
		1163	my $progress;
		1164
		1165	while (my ($k, $v) = each %todo) {
		1166	for (split /,\s*/, $v->{meta}{depends}) {
		1167	goto skip
		1168	unless exists $done{$_};
		1169	}
		1170
		1171	warn "... loading '$k' into '$v->{pkg}'\n";
		1172
		1173	unless (eval $v->{source}) {
		1174	my $msg = $@ ? "$v->{path}: $@\n"
		1175	: "$v->{base}: extension inactive.\n";
		1176
		1177	if (exists $v->{meta}{mandatory}) {
		1178	warn $msg;
		1179	warn "mandatory extension failed to load, exiting.\n";
		1180	exit 1;
		1181	}
		1182
		1183	warn $msg;
		1184	}
		1185
		1186	$done{$k} = delete $todo{$k};
		1187	push @EXTS, $v->{pkg};
		1188	$progress = 1;
914	1	1189	}
915	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
916	}	1195	};
917	}	1196	}
918		1197
919	#############################################################################	1198	#############################################################################
920		1199
		1200	=back
		1201
921	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
922		1203
923	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
924		1205
925	=cut	1206	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1218	Returns the given player object, loading it if necessary (might block).
938		1219
939	=cut	1220	=cut
940		1221
941	sub playerdir($) {	1222	sub playerdir($) {
942	cf::localdir	1223	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1224	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1225	}
948		1226
949	sub path($) {	1227	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1228	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1229
952	(playerdir $login) . "/$login.pl"	1230	(playerdir $login) . "/playerdata"
953	}	1231	}
954		1232
955	sub find_active($) {	1233	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1234	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1235	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1248	my $login = $_[0];
971		1249
972	my $guard = cf::lock_acquire "user_find:$login";	1250	my $guard = cf::lock_acquire "user_find:$login";
973		1251
974	$cf::PLAYER{$_[0]} || do {	1252	$cf::PLAYER{$_[0]} || do {
		1253	# rename old playerfiles to new ones
		1254	#TODO: remove when no longer required
		1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1258	aio_unlink +(playerdir $login) . "/$login.pl";
		1259
975	my $pl = load_pl path $login	1260	my $pl = load_pl path $login
976	or return;	1261	or return;
977	$cf::PLAYER{$login} = $pl	1262	$cf::PLAYER{$login} = $pl
978	}	1263	}
979	}	1264	}
…		…
1016		1301
1017	=cut	1302	=cut
1018		1303
1019	sub quit_character {	1304	sub quit_character {
1020	my ($pl) = @_;	1305	my ($pl) = @_;
		1306
		1307	my $name = $pl->ob->name;
1021		1308
1022	$pl->{deny_save} = 1;	1309	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1310	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1311
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1317	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1318	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1319	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1320	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1321	$pl->destroy;
		1322
		1323	my $prefix = qr<^~\Q$name\E/>;
		1324
		1325	# nuke player maps
		1326	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1327
1035	IO::AIO::aio_rmtree $temp;	1328	IO::AIO::aio_rmtree $temp;
		1329	}
		1330
		1331	=item $pl->kick
		1332
		1333	Kicks a player out of the game. This destroys the connection.
		1334
		1335	=cut
		1336
		1337	sub kick {
		1338	my ($pl, $kicker) = @_;
		1339
		1340	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1341	$pl->killer ("kicked");
		1342	$pl->ns->destroy;
1036	}	1343	}
1037		1344
1038	=item cf::player::list_logins	1345	=item cf::player::list_logins
1039		1346
1040	Returns am arrayref of all valid playernames in the system, can take a	1347	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1348	while and may block, so not sync_job-capable, ever.
1042		1349
1043	=cut	1350	=cut
1044		1351
1045	sub list_logins {	1352	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1353	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1354	or return [];
1048		1355
1049	my @logins;	1356	my @logins;
1050		1357
1051	for my $login (@$dirs) {	1358	for my $login (@$dirs) {
…		…
1068	=cut	1375	=cut
1069		1376
1070	sub maps($) {	1377	sub maps($) {
1071	my ($pl) = @_;	1378	my ($pl) = @_;
1072		1379
		1380	$pl = ref $pl ? $pl->ob->name : $pl;
		1381
1073	my $files = aio_readdir playerdir $pl	1382	my $files = aio_readdir playerdir $pl
1074	or return;	1383	or return;
1075		1384
1076	my @paths;	1385	my @paths;
1077		1386
1078	for (@$files) {	1387	for (@$files) {
1079	utf8::decode $_;	1388	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1389	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1390	next unless /^$PATH_SEP/o;
1082		1391
1083	s/\.map$//;	1392	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1393	}
1086		1394
1087	\@paths	1395	\@paths
1088	}	1396	}
1089		1397
		1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1399
		1400	Expand crossfire pod fragments into protocol xml.
		1401
		1402	=cut
		1403
		1404	sub expand_cfpod {
		1405	((my $self), (local $_)) = @_;
		1406
		1407	# escape & and <
		1408	s/&/&amp;/g;
		1409	s/(?<![BIUGH])</&lt;/g;
		1410
		1411	# this is buggy, it needs to properly take care of nested <'s
		1412
		1413	1 while
		1414	# replace B<>, I<>, U<> etc.
		1415	s/B<([^\>]*)>/<b>$1<\/b>/
		1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1418	# replace G<male|female> tags
		1419	|| s{G<([^>|]*)\|([^>]*)>}{
		1420	$self->gender ? $2 : $1
		1421	}ge
		1422	# replace H<hint text>
		1423	|| s{H<([^\>]*)>}
		1424	{
		1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1427	"")
		1428	[$self->{hintmode}]
		1429	}ge;
		1430
		1431	# create single paragraphs (very hackish)
		1432	s/(?<=\S)\n(?=\w)/ /g;
		1433
		1434	# compress some whitespace
		1435	s/\s+\n/\n/g; # ws line-ends
		1436	s/\n\n+/\n/g; # double lines
		1437	s/^\n+//; # beginning lines
		1438	s/\n+$//; # ending lines
		1439
		1440	warn $_;#d#
		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	$self
1438	}	1858	}
1439		1859
1440	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1551		1971
1552	sub reset_at {	1972	sub reset_at {
1553	my ($self) = @_;	1973	my ($self) = @_;
1554		1974
1555	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1557	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1558		1977
1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1561		1980
…		…
1572	my ($self) = @_;	1991	my ($self) = @_;
1573		1992
1574	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		1994
1576	return if $self->players;	1995	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#
1578		1996
1579	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	}
1580		2008
1581	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1582		2010
1583	$self->in_memory (cf::MAP_SWAPPED);
1584	$self->clear;	2011	$self->clear;
1585		2012
1586	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1587		2014
1588	$self->unlink_save;	2015	$self->unlink_save;
…		…
1607	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1608		2035
1609	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1610	}	2037	}
1611		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
1612	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1613		2076
1614	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1615	instantiated unique items. May block.	2078	instantiated unique items. May block.
1616		2079
1617	=cut	2080	=cut
1618		2081
1619	sub unique_maps() {	2082	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1621	or return;	2084	map {
1622
1623	my @paths;
1624
1625	for (@$files) {
1626	utf8::decode $_;	2085	utf8::decode $_;
1627	next if /\.pst$/;
1628	next unless /^$PATH_SEP/o;
1629
1630	s/\.map$//;	2086	/\.map$/
1631	push @paths, $_;	2087	? normalise $_
		2088	: ()
		2089	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2090	]
1633
1634	\@paths
1635	}	2091	}
1636		2092
1637	package cf;	2093	package cf;
1638		2094
1639	=back	2095	=back
…		…
1685		2141
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2143
1688	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1690	} 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 {
1691	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1693	}	2163	}
1694	}	2164	}
1695		2165
1696	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1697		2167
…		…
1730	=cut	2200	=cut
1731		2201
1732	sub link_map {	2202	sub link_map {
1733	unless ($LINK_MAP) {	2203	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	2204	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	2206	$LINK_MAP->load;
1737	}	2207	}
1738		2208
1739	$LINK_MAP	2209	$LINK_MAP
1740	}	2210	}
…		…
1745	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1746		2216
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		2218
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1751		2221
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1753	}	2223	}
1754		2224
1755	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1757		2229
1758	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1759		2231
1760	unless ($map) {	2232	unless ($map) {
1761	# restore original map position	2233	# restore original map position
…		…
1779	$map->load;	2251	$map->load;
1780	$map->load_diag;	2252	$map->load_diag;
1781		2253
1782	return unless $self->contr->active;	2254	return unless $self->contr->active;
1783	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1785	}	2259	}
1786		2260
1787	cf::player->attach (
1788	on_logout => sub {
1789	my ($pl) = @_;
1790
1791	# abort map switching before logout
1792	if ($pl->ob->{_link_pos}) {
1793	cf::sync_job {
1794	$pl->ob->leave_link
1795	};
1796	}
1797	},
1798	on_login => sub {
1799	my ($pl) = @_;
1800
1801	# try to abort aborted map switching on player login :)
1802	# should happen only on crashes
1803	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;
1805	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);
1812	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;
1814	})->prio (2);
1815	}
1816	},
1817	);
1818
1819	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1820		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
1821	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1822		2271
1823	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1824	my ($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;
1825		2277
1826	$self->enter_link;	2278	$self->enter_link;
1827		2279
1828	(async {	2280	(async {
		2281	my $map = eval {
1829	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1830	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1831		2286	$map = $check->($map) if $check && $map;
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1833	# if $map;
1834
1835	$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	}
1836		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};
1837	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1838	})->prio (1);	2303	})->prio (1);
1839	}	2304	}
1840		2305
1841	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1842		2307
…		…
1871	# that depends on the exit object	2336	# that depends on the exit object
1872		2337
1873	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1874		2339
1875	if ($exit->map) {	2340	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1880	}	2345	}
1881		2346
1882	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1883		2348
1884	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1885	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1887		2352
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2355	undef $fh;
1891	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1898	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1900		2365
1901	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1902		2367
		2368	if ($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
1903	$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);
1904		2384
1905	(async {	2385	(async {
1906	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1907	unless (eval {	2387	unless (eval {
1908	prepare_random_map $exit	2388	$self->goto ($slaying, $hp, $sp);
1909	if $exit->slaying eq "/!";
1910
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1913		2389
1914	1;	2390	1;
1915	}) {	2391	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1917	. "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. "
1918	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1920		2396
1921	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1922	$self->leave_link;	2398	$self->leave_link;
1923	}	2399	}
1924	})->prio (1);	2400	})->prio (1);
…		…
1937		2413
1938	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1940		2416
1941	utf8::encode $text;	2417	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	2419	}
1944		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	}
1945		2473
1946	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1947		2475
1948	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1949	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>,
1950	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>.
1951		2479
1952	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
1953	reliable at some point in the future.	2481	become reliable at some point in the future.
1954		2482
1955	=cut	2483	=cut
1956		2484
1957	sub cf::client::query {	2485	sub cf::client::query {
1958	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1966	utf8::encode $text;	2494	utf8::encode $text;
1967	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1968		2496
1969	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1970	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1971	}	2501	}
1972		2502
1973	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	},
1974	on_reply => sub {	2509	on_reply => sub {
1975	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1976		2511
1977	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1978	# get handled first	2513	# get handled first
1979	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1980	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
1981		2516
1982	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		2519
1984	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1985		2521
1986	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	2523	if (@$queue) {
…		…
1989	} else {	2525	} else {
1990	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1991	}	2527	}
1992	}	2528	}
1993	},	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	},
1994	);	2548	);
1995		2549
1996	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
1997		2551
1998	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2045		2599
2046	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2047		2601
2048	=pod	2602	=pod
2049		2603
2050	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2051		2605
2052	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
2053	cf::object::player player	2610	cf::object::player
2054	cf::player peaceful	2611	player
2055	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2056		2618
2057	=cut	2619	=cut
2058		2620
2059	for (	2621	for (
2060	["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)],
2061	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2062	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2063	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2064	) {	2627	) {
2065	no strict 'refs';	2628	no strict 'refs';
…		…
2136	=back	2699	=back
2137		2700
2138	=cut	2701	=cut
2139		2702
2140	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2141		2705
2142	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2143		2708
2144	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2145	currently store anything that can be serialised using Storable, which
2146	excludes objects.
2147		2710
2148	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2149	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2150		2714
2151	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2152		2716
2153	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2154		2719
2155	Return a hashref for use by the extension C<$family>, which can be
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158
2159	=item $value = cf::db_get $family => $key
2160
2161	Returns a single value from the database
2162
2163	=item cf::db_put $family => $hashref
2164
2165	Stores the given family hashref into the database. Updates are delayed, if
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167
2168	=item cf::db_put $family => $key => $value
2169
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180
2181	=cut
2182
2183	our $DB;
2184
2185	{
2186	my $path = cf::localdir . "/database.pst";
2187
2188	sub db_load() {
2189	$DB = stat $path ? Storable::retrieve $path : { };
2190	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2191		2722
2192	my $pid;	2723	while (my ($face, $info) = each %$faces) {
2193		2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	sub db_save() {	2725	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2195	waitpid $pid, 0 if $pid;	2726	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2196	if (0 == ($pid = fork)) {	2727	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2197	$DB->{_meta}{version} = 1;	2728	Coro::cede;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}
2202	}
2203
2204	my $dirty;
2205
2206	sub db_sync() {
2207	db_save if $dirty;
2208	undef $dirty;
2209	}
2210
2211	my $idle = Event->idle (
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {
2226	@_ >= 2
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230
2231	sub db_put($$;$) {
2232	if (@_ >= 3) {
2233	$DB->{$_[0]}{$_[1]} = $_[2];
2234	} else {
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239
2240	cf::global->attach (
2241	prio => 10000,
2242	on_cleanup => sub {
2243	db_sync;
2244	},	2729	}
2245	);
2246	}
2247		2730
2248	#############################################################################	2731	while (my ($face, $info) = each %$faces) {
2249	# the server's main()	2732	next unless $info->{smooth};
		2733	my $idx = cf::face::find $face
		2734	or next;
		2735	if (my $smooth = cf::face::find $info->{smooth}) {
		2736	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2737	} else {
		2738	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2739	}
		2740	Coro::cede;
		2741	}
		2742	}
		2743
		2744	{
		2745	my $anims = $facedata->{animinfo};
		2746
		2747	while (my ($anim, $info) = each %$anims) {
		2748	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2749	Coro::cede;
		2750	}
		2751
		2752	cf::anim::invalidate_all; # d'oh
		2753	}
		2754
		2755	1
		2756	}
		2757
		2758	sub reload_regions {
		2759	load_resource_file "$MAPDIR/regions"
		2760	or die "unable to load regions file\n";
		2761	}
		2762
		2763	sub reload_facedata {
		2764	load_facedata "$DATADIR/facedata"
		2765	or die "unable to load facedata\n";
		2766	}
		2767
		2768	sub reload_archetypes {
		2769	load_resource_file "$DATADIR/archetypes"
		2770	or die "unable to load archetypes\n";
		2771	#d# NEED to laod twice to resolve forward references
		2772	# this really needs to be done in an extra post-pass
		2773	# (which needs to be synchronous, so solve it differently)
		2774	load_resource_file "$DATADIR/archetypes"
		2775	or die "unable to load archetypes\n";
		2776	}
		2777
		2778	sub reload_treasures {
		2779	load_resource_file "$DATADIR/treasures"
		2780	or die "unable to load treasurelists\n";
		2781	}
		2782
		2783	sub reload_resources {
		2784	warn "reloading resource files...\n";
		2785
		2786	reload_regions;
		2787	reload_facedata;
		2788	#reload_archetypes;#d#
		2789	reload_archetypes;
		2790	reload_treasures;
		2791
		2792	warn "finished reloading resource files\n";
		2793	}
		2794
		2795	sub init {
		2796	reload_resources;
		2797	}
2250		2798
2251	sub cfg_load {	2799	sub cfg_load {
2252	open my $fh, "<:utf8", cf::confdir . "/config"	2800	open my $fh, "<:utf8", "$CONFDIR/config"
2253	or return;	2801	or return;
2254		2802
2255	local $/;	2803	local $/;
2256	*CFG = YAML::Syck::Load <$fh>;	2804	*CFG = YAML::Syck::Load <$fh>;
2257		2805
…		…
2277	Event::one_event;	2825	Event::one_event;
2278	})->prio (Coro::PRIO_MAX);	2826	})->prio (Coro::PRIO_MAX);
2279	};	2827	};
2280		2828
2281	cfg_load;	2829	cfg_load;
2282	db_load;	2830	db_init;
2283	load_extensions;	2831	load_extensions;
2284		2832
2285	$TICK_WATCHER->start;	2833	$TICK_WATCHER->start;
2286	Event::loop;	2834	Event::loop;
2287	}	2835	}
…		…
2302	},	2850	},
2303	);	2851	);
2304	}	2852	}
2305	}	2853	}
2306		2854
		2855	sub write_runtime {
		2856	my $runtime = "$LOCALDIR/runtime";
		2857
		2858	# first touch the runtime file to show we are still running:
		2859	# the fsync below can take a very very long time.
		2860
		2861	IO::AIO::aio_utime $runtime, undef, undef;
		2862
		2863	my $guard = cf::lock_acquire "write_runtime";
		2864
		2865	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2866	or return;
		2867
		2868	my $value = $cf::RUNTIME + 90 + 10;
		2869	# 10 is the runtime save interval, for a monotonic clock
		2870	# 60 allows for the watchdog to kill the server.
		2871
		2872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2873	and return;
		2874
		2875	# always fsync - this file is important
		2876	aio_fsync $fh
		2877	and return;
		2878
		2879	# touch it again to show we are up-to-date
		2880	aio_utime $fh, undef, undef;
		2881
		2882	close $fh
		2883	or return;
		2884
		2885	aio_rename "$runtime~", $runtime
		2886	and return;
		2887
		2888	warn "runtime file written.\n";
		2889
		2890	1
		2891	}
		2892
2307	sub emergency_save() {	2893	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	2894	my $freeze_guard = cf::freeze_mainloop;
2309		2895
2310	warn "enter emergency perl save\n";	2896	warn "enter emergency perl save\n";
2311		2897
…		…
2326	my $map = $cf::MAP{$path} or next;	2912	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2913	$map->valid or next;
2328	$map->save;	2914	$map->save;
2329	}	2915	}
2330	warn "end emergency map save\n";	2916	warn "end emergency map save\n";
		2917
		2918	warn "begin emergency database checkpoint\n";
		2919	BDB::db_env_txn_checkpoint $DB_ENV;
		2920	warn "end emergency database checkpoint\n";
2331	};	2921	};
2332		2922
2333	warn "leave emergency perl save\n";	2923	warn "leave emergency perl save\n";
2334	}	2924	}
2335		2925
		2926	sub post_cleanup {
		2927	my ($make_core) = @_;
		2928
		2929	warn Carp::longmess "post_cleanup backtrace"
		2930	if $make_core;
		2931	}
		2932
2336	sub reload() {	2933	sub do_reload_perl() {
2337	# can/must only be called in main	2934	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2935	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine";	2936	warn "can only reload from main coroutine";
2340	return;	2937	return;
2341	}	2938	}
2342		2939
2343	warn "reloading...";	2940	warn "reloading...";
2344		2941
2345	warn "cancelling server ticker";	2942	warn "entering sync_job";
2346	$TICK_WATCHER->cancel;
2347		2943
		2944	cf::sync_job {
		2945	cf::write_runtime; # external watchdog should not bark
2348	cf::emergency_save;	2946	cf::emergency_save;
		2947	cf::write_runtime; # external watchdog should not bark
2349		2948
2350	eval {	2949	warn "syncing database to disk";
		2950	BDB::db_env_txn_checkpoint $DB_ENV;
		2951
2351	# if anything goes wrong in here, we should simply crash as we already saved	2952	# if anything goes wrong in here, we should simply crash as we already saved
2352
2353	warn "syncing database to disk";
2354	cf::db_sync;
2355		2953
2356	warn "cancelling all WF_AUTOCANCEL watchers";	2954	warn "cancelling all WF_AUTOCANCEL watchers";
2357	for (Event::all_watchers) {	2955	for (Event::all_watchers) {
2358	$_->cancel if $_->data & WF_AUTOCANCEL;	2956	$_->cancel if $_->data & WF_AUTOCANCEL;
2359	}	2957	}
2360		2958
2361	warn "flushing outstanding aio requests";	2959	warn "flushing outstanding aio requests";
2362	for (;;) {	2960	for (;;) {
		2961	BDB::flush;
2363	IO::AIO::flush;	2962	IO::AIO::flush;
2364	Coro::cede;	2963	Coro::cede;
2365	last unless IO::AIO::nreqs;	2964	last unless IO::AIO::nreqs || BDB::nreqs;
2366	warn "iterate...";	2965	warn "iterate...";
2367	}	2966	}
		2967
		2968	++$RELOAD;
2368		2969
2369	warn "cancelling all extension coros";	2970	warn "cancelling all extension coros";
2370	$_->cancel for values %EXT_CORO;	2971	$_->cancel for values %EXT_CORO;
2371	%EXT_CORO = ();	2972	%EXT_CORO = ();
2372		2973
2373	warn "removing commands";	2974	warn "removing commands";
2374	%COMMAND = ();	2975	%COMMAND = ();
2375		2976
2376	warn "removing ext commands";	2977	warn "removing ext/exti commands";
2377	%EXTCMD = ();	2978	%EXTCMD = ();
		2979	%EXTICMD = ();
2378		2980
2379	warn "unloading/nuking all extensions";	2981	warn "unloading/nuking all extensions";
2380	for my $pkg (@EXTS) {	2982	for my $pkg (@EXTS) {
2381	warn "... unloading $pkg";	2983	warn "... unloading $pkg";
2382		2984
…		…
2412	Symbol::delete_package "safe::$_"	3014	Symbol::delete_package "safe::$_"
2413	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3015	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2414		3016
2415	warn "unloading cf.pm \"a bit\"";	3017	warn "unloading cf.pm \"a bit\"";
2416	delete $INC{"cf.pm"};	3018	delete $INC{"cf.pm"};
		3019	delete $INC{"cf/pod.pm"};
2417		3020
2418	# don't, removes xs symbols, too,	3021	# don't, removes xs symbols, too,
2419	# and global variables created in xs	3022	# and global variables created in xs
2420	#Symbol::delete_package __PACKAGE__;	3023	#Symbol::delete_package __PACKAGE__;
2421		3024
…		…
2425	require cf;	3028	require cf;
2426	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3029	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2427		3030
2428	warn "loading config and database again";	3031	warn "loading config and database again";
2429	cf::cfg_load;	3032	cf::cfg_load;
2430	cf::db_load;
2431		3033
2432	warn "loading extensions";	3034	warn "loading extensions";
2433	cf::load_extensions;	3035	cf::load_extensions;
2434		3036
2435	warn "reattaching attachments to objects/players";	3037	warn "reattaching attachments to objects/players";
2436	_global_reattach;	3038	_global_reattach; # objects, sockets
2437	warn "reattaching attachments to maps";	3039	warn "reattaching attachments to maps";
2438	reattach $_ for values %MAP;	3040	reattach $_ for values %MAP;
		3041	warn "reattaching attachments to players";
		3042	reattach $_ for values %PLAYER;
2439		3043
2440	warn "restarting server ticker";	3044	warn "leaving sync_job";
2441		3045
2442	$TICK_WATCHER->start;	3046	1
2443	};	3047	} or do {
2444
2445	if ($@) {
2446	warn $@;	3048	warn $@;
2447	warn "error while reloading, exiting.";	3049	warn "error while reloading, exiting.";
2448	exit 1;	3050	exit 1;
2449	}	3051	};
2450		3052
2451	warn "reloaded";	3053	warn "reloaded";
2452	};	3054	};
2453		3055
2454	our $RELOAD_WATCHER; # used only during reload	3056	our $RELOAD_WATCHER; # used only during reload
2455		3057
		3058	sub reload_perl() {
		3059	# doing reload synchronously and two reloads happen back-to-back,
		3060	# coro crashes during coro_state_free->destroy here.
		3061
		3062	$RELOAD_WATCHER ||= Event->timer (
		3063	reentrant => 0,
		3064	after => 0,
		3065	data => WF_AUTOCANCEL,
		3066	cb => sub {
		3067	do_reload_perl;
		3068	undef $RELOAD_WATCHER;
		3069	},
		3070	);
		3071	}
		3072
2456	register_command "reload" => sub {	3073	register_command "reload" => sub {
2457	my ($who, $arg) = @_;	3074	my ($who, $arg) = @_;
2458		3075
2459	if ($who->flag (FLAG_WIZ)) {	3076	if ($who->flag (FLAG_WIZ)) {
2460	$who->message ("reloading server.");	3077	$who->message ("reloading server.");
2461		3078	async { reload_perl };
2462	# doing reload synchronously and two reloads happen back-to-back,
2463	# coro crashes during coro_state_free->destroy here.
2464
2465	$RELOAD_WATCHER ||= Event->timer (
2466	reentrant => 0,
2467	after => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => sub {
2470	reload;
2471	undef $RELOAD_WATCHER;
2472	},
2473	);
2474	}	3079	}
2475	};	3080	};
2476		3081
2477	unshift @INC, $LIBDIR;	3082	unshift @INC, $LIBDIR;
2478		3083
2479	my $bug_warning = 0;	3084	my $bug_warning = 0;
2480		3085
		3086	our @WAIT_FOR_TICK;
		3087	our @WAIT_FOR_TICK_BEGIN;
		3088
		3089	sub wait_for_tick {
		3090	return unless $TICK_WATCHER->is_active;
		3091	return if $Coro::current == $Coro::main;
		3092
		3093	my $signal = new Coro::Signal;
		3094	push @WAIT_FOR_TICK, $signal;
		3095	$signal->wait;
		3096	}
		3097
		3098	sub wait_for_tick_begin {
		3099	return unless $TICK_WATCHER->is_active;
		3100	return if $Coro::current == $Coro::main;
		3101
		3102	my $signal = new Coro::Signal;
		3103	push @WAIT_FOR_TICK_BEGIN, $signal;
		3104	$signal->wait;
		3105	}
		3106
		3107	my $min = 1e6;#d#
		3108	my $avg = 10;
2481	$TICK_WATCHER = Event->timer (	3109	$TICK_WATCHER = Event->timer (
2482	reentrant => 0,	3110	reentrant => 0,
2483	parked => 1,	3111	parked => 1,
2484	prio => 0,	3112	prio => 0,
2485	at => $NEXT_TICK || $TICK,	3113	at => $NEXT_TICK || $TICK,
…		…
2489	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2490	unless ++$bug_warning > 10;	3118	unless ++$bug_warning > 10;
2491	return;	3119	return;
2492	}	3120	}
2493		3121
2494	$NOW = Event::time;	3122	$NOW = $tick_start = Event::time;
2495		3123
2496	cf::server_tick; # one server iteration	3124	cf::server_tick; # one server iteration
		3125
		3126	0 && sync_job {#d#
		3127	for(1..10) {
		3128	my $t = Event::time;
		3129	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3130	or die;
		3131
		3132	$map->width (50);
		3133	$map->height (50);
		3134	$map->alloc;
		3135	$map->_load_objects ("/tmp/x.map", 1);
		3136	my $t = Event::time - $t;
		3137
		3138	#next unless $t < 0.0013;#d#
		3139	if ($t < $min) {
		3140	$min = $t;
		3141	}
		3142	$avg = $avg * 0.99 + $t * 0.01;
		3143	}
		3144	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3145	exit 0;
		3146	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3147	};
		3148
2497	$RUNTIME += $TICK;	3149	$RUNTIME += $TICK;
2498	$NEXT_TICK += $TICK;	3150	$NEXT_TICK += $TICK;
2499		3151
2500	$WAIT_FOR_TICK->broadcast;	3152	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2501	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3153	$NEXT_RUNTIME_WRITE = $NOW + 10;
2502		3154	Coro::async_pool {
2503	Event::sweep;	3155	write_runtime
2504	Coro::cede_notself;	3156	or warn "ERROR: unable to write runtime file: $!";
		3157	};
2505		3158	}
		3159
2506	# my $AFTER = Event::time;	3160	# my $AFTER = Event::time;
2507	# warn $AFTER - $NOW;#d#	3161	# warn $AFTER - $NOW;#d#
2508		3162
		3163	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3164	$sig->send;
		3165	}
		3166	while (my $sig = shift @WAIT_FOR_TICK) {
		3167	$sig->send;
		3168	}
		3169
		3170	$NOW = Event::time;
		3171
2509	# if we are delayed by four ticks or more, skip them all	3172	# if we are delayed by four ticks or more, skip them all
2510	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3173	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2511		3174
2512	$TICK_WATCHER->at ($NEXT_TICK);	3175	$TICK_WATCHER->at ($NEXT_TICK);
2513	$TICK_WATCHER->start;	3176	$TICK_WATCHER->start;
		3177
		3178	$LOAD = ($NOW - $tick_start) / $TICK;
		3179	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3180
		3181	_post_tick;
		3182
		3183
2514	},	3184	},
2515	);	3185	);
2516		3186
		3187	{
		3188	BDB::max_poll_time $TICK * 0.1;
		3189	$BDB_POLL_WATCHER = Event->io (
		3190	reentrant => 0,
		3191	fd => BDB::poll_fileno,
		3192	poll => 'r',
		3193	prio => 0,
		3194	data => WF_AUTOCANCEL,
		3195	cb => \&BDB::poll_cb,
		3196	);
		3197	BDB::min_parallel 8;
		3198
		3199	BDB::set_sync_prepare {
		3200	my $status;
		3201	my $current = $Coro::current;
		3202	(
		3203	sub {
		3204	$status = $!;
		3205	$current->ready; undef $current;
		3206	},
		3207	sub {
		3208	Coro::schedule while defined $current;
		3209	$! = $status;
		3210	},
		3211	)
		3212	};
		3213
		3214	unless ($DB_ENV) {
		3215	$DB_ENV = BDB::db_env_create;
		3216
		3217	cf::sync_job {
		3218	eval {
		3219	BDB::db_env_open
		3220	$DB_ENV,
		3221	$BDBDIR,
		3222	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3223	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3224	0666;
		3225
		3226	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3227
		3228	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3229	$DB_ENV->set_lk_detect;
		3230	};
		3231
		3232	cf::cleanup "db_env_open(db): $@" if $@;
		3233	};
		3234	}
		3235	}
		3236
		3237	{
		3238	IO::AIO::min_parallel 8;
		3239
		3240	undef $Coro::AIO::WATCHER;
2517	IO::AIO::max_poll_time $TICK * 0.1;	3241	IO::AIO::max_poll_time $TICK * 0.1;
2518
2519	undef $Coro::AIO::WATCHER;
2520	$AIO_POLL_WATCHER = Event->io (	3242	$AIO_POLL_WATCHER = Event->io (
2521	reentrant => 0,	3243	reentrant => 0,
		3244	data => WF_AUTOCANCEL,
2522	fd => IO::AIO::poll_fileno,	3245	fd => IO::AIO::poll_fileno,
2523	poll => 'r',	3246	poll => 'r',
2524	prio => 6,	3247	prio => 6,
2525	data => WF_AUTOCANCEL,
2526	cb => \&IO::AIO::poll_cb,	3248	cb => \&IO::AIO::poll_cb,
2527	);	3249	);
		3250	}
2528		3251
2529	$WRITE_RUNTIME_WATCHER = Event->timer (	3252	my $_log_backtrace;
2530	reentrant => 0,	3253
2531	data => WF_AUTOCANCEL,	3254	sub _log_backtrace {
2532	after => 1,	3255	my ($msg, @addr) = @_;
2533	interval => 10,	3256
2534	prio => 6, # keep it lowest so it acts like a watchdog	3257	$msg =~ s/\n//;
2535	cb => Coro::unblock_sub {	3258
2536	write_runtime	3259	# limit the # of concurrent backtraces
2537	or warn "ERROR: unable to write runtime file: $!";	3260	if ($_log_backtrace < 2) {
		3261	++$_log_backtrace;
		3262	async {
		3263	my @bt = fork_call {
		3264	@addr = map { sprintf "%x", $_ } @addr;
		3265	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3266	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3267	or die "addr2line: $!";
		3268
		3269	my @funcs;
		3270	my @res = <$fh>;
		3271	chomp for @res;
		3272	while (@res) {
		3273	my ($func, $line) = splice @res, 0, 2, ();
		3274	push @funcs, "[$func] $line";
		3275	}
		3276
		3277	@funcs
		3278	};
		3279
		3280	LOG llevInfo, "[ABT] $msg\n";
		3281	LOG llevInfo, "[ABT] $_\n" for @bt;
		3282	--$_log_backtrace;
		3283	};
		3284	} else {
		3285	LOG llevInfo, "[ABT] $msg\n";
		3286	LOG llevInfo, "[ABT] [suppressed]\n";
2538	},	3287	}
2539	);	3288	}
		3289
		3290	# load additional modules
		3291	use cf::pod;
2540		3292
2541	END { cf::emergency_save }	3293	END { cf::emergency_save }
2542		3294
2543	1	3295	1
2544		3296

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