[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.271 by root, Fri Jun 1 06:04:08 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
…		…
52	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
54		56
55	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
56	our @EVENT;	58	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		59
59	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	73	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	76	our $NEXT_TICK;
64	our $NOW;	77	our $NOW;
…		…
73	our $RUNTIME;	86	our $RUNTIME;
74		87
75	our %PLAYER; # all users	88	our %PLAYER; # all users
76	our %MAP; # all maps	89	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
83		91
84	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
87	binmode STDOUT;	99	binmode STDOUT;
88	binmode STDERR;	100	binmode STDERR;
89		101
90	# read virtual server time, if available	102	# read virtual server time, if available
91	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
95	}	107	}
96		108
97	mkdir cf::localdir;	109	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		111
104	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
105		113
106	sub cf::map::normalise;	114	sub cf::map::normalise;
107		115
…		…
118	=item $cf::RUNTIME	126	=item $cf::RUNTIME
119		127
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	129	every server tick.
122		130
123	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		134
125	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
127		139
128	=item $cf::NOW	140	=item $cf::NOW
129		141
130	The time of the last (current) server tick.	142	The time of the last (current) server tick.
131		143
132	=item $cf::TICK	144	=item $cf::TICK
133		145
134	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
135		157
136	=item %cf::CFG	158	=item %cf::CFG
137		159
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	161	from wherever your confdir points to.
140		162
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		164
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.
147		168
148	=back	169	=back
149		170
150	=cut	171	=cut
151		172
152	BEGIN {	173	BEGIN {
153	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	175	my $msg = join "", @_;
155	utf8::encode $msg;
156		176
157	$msg .= "\n"	177	$msg .= "\n"
158	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
159		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
160	LOG llevError, $msg;	183	LOG llevError, $msg;
161	};	184	};
162	}	185	}
163		186
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
234	returned.	257	returned.
235		258
236	Lock names should begin with a unique identifier (for example, cf::map::find	259	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
238		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
239	=cut	266	=cut
240		267
241	our %LOCK;	268	our %LOCK;
242		269
243	sub lock_wait($) {	270	sub lock_wait($) {
…		…
260		287
261	Coro::guard {	288	Coro::guard {
262	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
264	}	291	}
		292	}
		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
265	}	298	}
266		299
267	sub freeze_mainloop {	300	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
269		302
…		…
299		332
300	sub sync_job(&) {	333	sub sync_job(&) {
301	my ($job) = @_;	334	my ($job) = @_;
302		335
303	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
304	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
306		341
307	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
319		354
320	while ($busy) {	355	while ($busy) {
321	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
322	}	357	}
323		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
		362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
324	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
325	} else {	367	} else {
326	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
327		369
328	$job->()	370	$job->()
…		…
348		390
349	$coro	391	$coro
350	}	392	}
351		393
352	sub write_runtime {	394	sub write_runtime {
		395	my $runtime = "$LOCALDIR/runtime";
		396
		397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	IO::AIO::aio_utime $runtime, undef, undef;
		401
353	my $guard = cf::lock_acquire "write_runtime";	402	my $guard = cf::lock_acquire "write_runtime";
354
355	my $runtime = cf::localdir . "/runtime";
356		403
357	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	404	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
358	or return;	405	or return;
359		406
360	my $value = $cf::RUNTIME + 90 + 10;	407	my $value = $cf::RUNTIME + 90 + 10;
…		…
366		413
367	# always fsync - this file is important	414	# always fsync - this file is important
368	aio_fsync $fh	415	aio_fsync $fh
369	and return;	416	and return;
370		417
		418	# touch it again to show we are up-to-date
		419	aio_utime $fh, undef, undef;
		420
371	close $fh	421	close $fh
372	or return;	422	or return;
373		423
374	aio_rename "$runtime~", $runtime	424	aio_rename "$runtime~", $runtime
375	and return;	425	and return;
		426
		427	warn "runtime file written.\n";#d#
376		428
377	1	429	1
378	}	430	}
379		431
380	=item cf::datalog type => key => value, ...	432	=item cf::datalog type => key => value, ...
…		…
573	$registry = $CB_TYPE[$object_type] \|\|= [];	625	$registry = $CB_TYPE[$object_type] \|\|= [];
574		626
575	} elsif ($type eq "subtype") {	627	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	628	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	629	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];	630	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] \|\|= [];
579		631
580	} elsif ($type eq "package") {	632	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	633	my $pkg = shift @arg;
582		634
583	while (my ($name, $id) = each %cb_id) {	635	while (my ($name, $id) = each %cb_id) {
…		…
624	if (ref $_[0]) {	676	if (ref $_[0]) {
625	_object_attach @_;	677	_object_attach @_;
626	} else {	678	} else {
627	_attach shift->_attach_registry, @_;	679	_attach shift->_attach_registry, @_;
628	}	680	}
		681	_recalc_want;
629	};	682	};
630		683
631	# all those should be optimised	684	# all those should be optimised
632	sub cf::attachable::detach {	685	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	686	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	689	delete $obj->{_attachment}{$name};
637	reattach ($obj);	690	reattach ($obj);
638	} else {	691	} else {
639	Carp::croak "cannot, currently, detach class attachments";	692	Carp::croak "cannot, currently, detach class attachments";
640	}	693	}
		694	_recalc_want;
641	};	695	};
642		696
643	sub cf::attachable::attached {	697	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	698	my ($obj, $name) = @_;
645		699
…		…
955	Returns the given player object, loading it if necessary (might block).	1009	Returns the given player object, loading it if necessary (might block).
956		1010
957	=cut	1011	=cut
958		1012
959	sub playerdir($) {	1013	sub playerdir($) {
960	cf::localdir	1014	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1015	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1016	}
966		1017
967	sub path($) {	1018	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1019	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1088	while and may block, so not sync_job-capable, ever.	1139	while and may block, so not sync_job-capable, ever.
1089		1140
1090	=cut	1141	=cut
1091		1142
1092	sub list_logins {	1143	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1144	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1145	or return [];
1095		1146
1096	my @logins;	1147	my @logins;
1097		1148
1098	for my $login (@$dirs) {	1149	for my $login (@$dirs) {
…		…
1336		1387
1337	# the original (read-only) location	1388	# the original (read-only) location
1338	sub load_path {	1389	sub load_path {
1339	my ($self) = @_;	1390	my ($self) = @_;
1340		1391
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1392	"$MAPDIR/$self->{path}.map"
1342	}	1393	}
1343		1394
1344	# the temporary/swap location	1395	# the temporary/swap location
1345	sub save_path {	1396	sub save_path {
1346	my ($self) = @_;	1397	my ($self) = @_;
1347		1398
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1400	"$TMPDIR/$path.map"
1350	}	1401	}
1351		1402
1352	# the unique path, undef == no special unique path	1403	# the unique path, undef == no special unique path
1353	sub uniq_path {	1404	sub uniq_path {
1354	my ($self) = @_;	1405	my ($self) = @_;
1355		1406
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1408	"$UNIQUEDIR/$path"
1358	}	1409	}
1359		1410
1360	# and all this just because we cannot iterate over	1411	# and all this just because we cannot iterate over
1361	# all maps in C++...	1412	# all maps in C++...
1362	sub change_all_map_light {	1413	sub change_all_map_light {
…		…
1474	my ($self) = @_;	1525	my ($self) = @_;
1475		1526
1476	local $self->{deny_reset} = 1; # loading can take a long time	1527	local $self->{deny_reset} = 1; # loading can take a long time
1477		1528
1478	my $path = $self->{path};	1529	my $path = $self->{path};
		1530
		1531	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1532	my $guard = cf::lock_acquire "map_load:$path";
1480		1533
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1534	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1535
1483	$self->in_memory (cf::MAP_LOADING);	1536	$self->in_memory (cf::MAP_LOADING);
1484		1537
1485	$self->alloc;	1538	$self->alloc;
1486		1539
1487	$self->pre_load;	1540	$self->pre_load;
1488
1489	$self->_load_objects ($self->{load_path}, 1)
1490	or return;
1491
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1493	if delete $self->{load_original};
1494
1495	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {
1498	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);
1500	}
1501	}
1502
1503	Coro::cede;
1504
1505	# now do the right thing for maps
1506	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;	1541	Coro::cede;
1513	$self->set_darkness_map;	1542
		1543	$self->_load_objects ($self->{load_path}, 1)
		1544	or return;
		1545
		1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1547	if delete $self->{load_original};
		1548
		1549	if (my $uniq = $self->uniq_path) {
		1550	utf8::encode $uniq;
		1551	if (aio_open $uniq, O_RDONLY, 0) {
		1552	$self->clear_unique_items;
		1553	$self->_load_objects ($uniq, 0);
		1554	}
		1555	}
		1556
		1557	Coro::cede;
		1558	# now do the right thing for maps
		1559	$self->link_multipart_objects;
1514	$self->difficulty ($self->estimate_difficulty)	1560	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	1561	unless $self->difficulty;
1516	Coro::cede;	1562	Coro::cede;
		1563
		1564	unless ($self->{deny_activate}) {
		1565	$self->decay_objects;
		1566	$self->fix_auto_apply;
		1567	$self->update_buttons;
		1568	Coro::cede;
		1569	$self->set_darkness_map;
		1570	Coro::cede;
1517	$self->activate;	1571	$self->activate;
		1572	}
		1573
		1574	$self->in_memory (cf::MAP_IN_MEMORY);
1518	}	1575	}
1519		1576
1520	$self->post_load;	1577	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	1578	}
1524		1579
1525	sub customise_for {	1580	sub customise_for {
1526	my ($self, $ob) = @_;	1581	my ($self, $ob) = @_;
1527		1582
…		…
1718	instantiated unique items. May block.	1773	instantiated unique items. May block.
1719		1774
1720	=cut	1775	=cut
1721		1776
1722	sub unique_maps() {	1777	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1778	my $files = aio_readdir $UNIQUEDIR
1724	or return;	1779	or return;
1725		1780
1726	my @paths;	1781	my @paths;
1727		1782
1728	for (@$files) {	1783	for (@$files) {
…		…
1847	$self->deactivate_recursive;	1902	$self->deactivate_recursive;
1848		1903
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	1904	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		1905
1851	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1906	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	1907	if $self->map && $self->map->{path} ne "{link}";
1853		1908
1854	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);	1909	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1855	}	1910	}
1856		1911
1857	sub cf::object::player::leave_link {	1912	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	1913	my ($self, $map, $x, $y) = @_;
		1914
		1915	return unless $self->contr->active;
1859		1916
1860	my $link_pos = delete $self->{_link_pos};	1917	my $link_pos = delete $self->{_link_pos};
1861		1918
1862	unless ($map) {	1919	unless ($map) {
1863	# restore original map position	1920	# restore original map position
…		…
1886		1943
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1889	}	1946	}
1890		1947
1891	cf::player->attach (
1892	on_logout => sub {
1893	my ($pl) = @_;
1894
1895	# abort map switching before logout
1896	if ($pl->ob->{_link_pos}) {
1897	cf::sync_job {
1898	$pl->ob->leave_link
1899	};
1900	}
1901	},
1902	on_login => sub {
1903	my ($pl) = @_;
1904
1905	# try to abort aborted map switching on player login :)
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922
1923	=item $player_object->goto ($path, $x, $y)	1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1924		1949
		1950	Moves the player to the given map-path and coordinates by first freezing
		1951	her, loading and preparing them map, calling the provided $check callback
		1952	that has to return the map if sucecssful, and then unfreezes the player on
		1953	the new (success) or old (failed) map position.
		1954
1925	=cut	1955	=cut
		1956
		1957	our $GOTOGEN;
1926		1958
1927	sub cf::object::player::goto {	1959	sub cf::object::player::goto {
1928	my ($self, $path, $x, $y) = @_;	1960	my ($self, $path, $x, $y, $check) = @_;
		1961
		1962	# do generation counting so two concurrent goto's will be executed in-order
		1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929		1964
1930	$self->enter_link;	1965	$self->enter_link;
1931		1966
1932	(async {	1967	(async {
1933	my $map = eval {	1968	my $map = eval {
1934	my $map = cf::map::find $path;	1969	my $map = cf::map::find $path;
		1970
		1971	if ($map) {
1935	$map = $map->customise_for ($self) if $map;	1972	$map = $map->customise_for ($self);
		1973	$map = $check->($map) if $check && $map;
		1974	} else {
		1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1976	}
		1977
1936	$map	1978	$map
		1979	};
		1980
		1981	if ($@) {
		1982	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE \| cf::NDI_RED);
		1983	LOG llevError \| logBacktrace, Carp::longmess $@;
1937	} or	1984	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1939		1985
		1986	if ($gen == $self->{_goto_generation}) {
		1987	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	1988	$self->leave_link ($map, $x, $y);
		1989	}
1941	})->prio (1);	1990	})->prio (1);
1942	}	1991	}
1943		1992
1944	=item $player_object->enter_exit ($exit_object)	1993	=item $player_object->enter_exit ($exit_object)
1945		1994
…		…
1984		2033
1985	$rmp->{random_seed} \|\|= $exit->random_seed;	2034	$rmp->{random_seed} \|\|= $exit->random_seed;
1986		2035
1987	my $data = cf::to_json $rmp;	2036	my $data = cf::to_json $rmp;
1988	my $md5 = Digest::MD5::md5_hex $data;	2037	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2038	my $meta = "$RANDOMDIR/$md5.meta";
1990		2039
1991	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2040	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2041	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2042	undef $fh;
1994	aio_rename "$meta~", $meta;	2043	aio_rename "$meta~", $meta;
…		…
2263	#############################################################################	2312	#############################################################################
2264		2313
2265	=head2 EXTENSION DATABASE SUPPORT	2314	=head2 EXTENSION DATABASE SUPPORT
2266		2315
2267	Crossfire maintains a very simple database for extension use. It can	2316	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which	2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2269	excludes objects.	2318	convert to/from binary).
2270		2319
2271	The parameter C<$family> should best start with the name of the extension	2320	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.	2321	using it, it should be unique.
2273		2322
2274	=over 4	2323	=over 4
…		…
2297	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;	2346	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;	2347	cf::cleanup "db_open(db): $!" if $!;
2299	};	2348	};
2300	cf::cleanup "db_open(db): $@" if $@;	2349	cf::cleanup "db_open(db): $@" if $@;
2301	};	2350	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}	2351	}
2317	}	2352	}
2318		2353
2319	sub db_get($$) {	2354	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";	2355	my $key = "$_[0]/$_[1]";
2321		2356
2322	cf::sync_job {	2357	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;	2358	BDB::db_get $DB, undef, $key, my $data;
2324		2359
2325	$! ? ()	2360	$! ? ()
2326	: Compress::LZF::sthaw $data	2361	: $data
2327	}	2362	}
2328	}	2363	}
2329		2364
2330	sub db_put($$$) {	2365	sub db_put($$$) {
2331	BDB::dbreq_pri 4;	2366	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		2368	}
		2369
		2370	=item cf::cache $id => [$paths...], $processversion => $process
		2371
		2372	Generic caching function that returns the value of the resource $id,
		2373	caching and regenerating as required.
		2374
		2375	This function can block.
		2376
		2377	=cut
		2378
		2379	sub cache {
		2380	my ($id, $src, $processversion, $process) = @_;
		2381
		2382	my $meta =
		2383	join "\x00",
		2384	$processversion,
		2385	map {
		2386	aio_stat $_
		2387	and Carp::croak "$_: $!";
		2388
		2389	($_, (stat _)[7,9])
		2390	} @$src;
		2391
		2392	my $dbmeta = db_get cache => "$id/meta";
		2393	if ($dbmeta ne $meta) {
		2394	# changed, we may need to process
		2395
		2396	my @data;
		2397	my $md5;
		2398
		2399	for (0 .. $#$src) {
		2400	0 <= aio_load $src->[$_], $data[$_]
		2401	or Carp::croak "$src->[$_]: $!";
		2402	}
		2403
		2404	# if processing is expensive, check
		2405	# checksum first
		2406	if (1) {
		2407	$md5 =
		2408	join "\x00",
		2409	$processversion,
		2410	map {
		2411	Coro::cede;
		2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2413	} 0.. $#$src;
		2414
		2415
		2416	my $dbmd5 = db_get cache => "$id/md5";
		2417	if ($dbmd5 eq $md5) {
		2418	db_put cache => "$id/meta", $meta;
		2419
		2420	return db_get cache => "$id/data";
		2421	}
		2422	}
		2423
		2424	my $t1 = Time::HiRes::time;
		2425	my $data = $process->(\@data);
		2426	my $t2 = Time::HiRes::time;
		2427
		2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2429
		2430	db_put cache => "$id/data", $data;
		2431	db_put cache => "$id/md5" , $md5;
		2432	db_put cache => "$id/meta", $meta;
		2433
		2434	return $data;
		2435	}
		2436
		2437	db_get cache => "$id/data"
		2438	}
		2439
		2440	=item fork_call { }, $args
		2441
		2442	Executes the given code block with the given arguments in a seperate
		2443	process, returning the results. Everything must be serialisable with
		2444	Coro::Storable. May, of course, block. Note that the executed sub may
		2445	never block itself or use any form of Event handling.
		2446
		2447	=cut
		2448
		2449	sub fork_call(&@) {
		2450	my ($cb, @args) = @_;
		2451
		2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2453	# or die "socketpair: $!";
		2454	pipe my $fh1, my $fh2
		2455	or die "pipe: $!";
		2456
		2457	if (my $pid = fork) {
		2458	close $fh2;
		2459
		2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2461	$res = Coro::Storable::thaw $res;
		2462
		2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2464
		2465	die $$res unless "ARRAY" eq ref $res;
		2466
		2467	return wantarray ? @$res : $res->[-1];
		2468	} else {
		2469	reset_signals;
		2470	local $SIG{__WARN__};
		2471	local $SIG{__DIE__};
		2472	eval {
		2473	close $fh1;
		2474
		2475	my @res = eval { $cb->(@args) };
		2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2477	};
		2478
		2479	warn $@ if $@;
		2480	_exit 0;
		2481	}
2333	}	2482	}
2334		2483
2335	#############################################################################	2484	#############################################################################
2336	# the server's init and main functions	2485	# the server's init and main functions
2337		2486
2338	sub load_facedata {	2487	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	2488	my ($path) = @_;
2340		2489
2341	warn "loading facedata from $path\n";	2490	warn "loading facedata from $path\n";
2342		2491
2343	my $facedata;	2492	my $facedata;
2344	0 < aio_load $path, $facedata	2493	0 < aio_load $path, $facedata
…		…
2385	}	2534	}
2386		2535
2387	1	2536	1
2388	}	2537	}
2389		2538
		2539	sub reload_regions {
		2540	load_resource_file "$MAPDIR/regions"
		2541	or die "unable to load regions file\n";
		2542	}
		2543
		2544	sub reload_facedata {
		2545	load_facedata "$DATADIR/facedata"
		2546	or die "unable to load facedata\n";
		2547	}
		2548
		2549	sub reload_archetypes {
		2550	load_resource_file "$DATADIR/archetypes"
		2551	or die "unable to load archetypes\n";
		2552	}
		2553
		2554	sub reload_treasures {
		2555	load_resource_file "$DATADIR/treasures"
		2556	or die "unable to load treasurelists\n";
		2557	}
		2558
2390	sub reload_resources {	2559	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2560	warn "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	2561
		2562	reload_regions;
2393	load_facedata	2563	reload_facedata;
2394	or die "unable to load facedata\n";#d#	2564	reload_archetypes;
		2565	reload_treasures;
		2566
		2567	warn "finished reloading resource files\n";
2395	}	2568	}
2396		2569
2397	sub init {	2570	sub init {
2398	reload_resources;	2571	reload_resources;
2399	}	2572	}
2400		2573
2401	sub cfg_load {	2574	sub cfg_load {
2402	open my $fh, "<:utf8", cf::confdir . "/config"	2575	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	2576	or return;
2404		2577
2405	local $/;	2578	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	2579	*CFG = YAML::Syck::Load <$fh>;
2407		2580
…		…
2492		2665
2493	warn Carp::longmess "post_cleanup backtrace"	2666	warn Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	2667	if $make_core;
2495	}	2668	}
2496		2669
2497	sub reload() {	2670	sub do_reload_perl() {
2498	# can/must only be called in main	2671	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	2672	if ($Coro::current != $Coro::main) {
2500	warn "can only reload from main coroutine";	2673	warn "can only reload from main coroutine";
2501	return;	2674	return;
2502	}	2675	}
…		…
2577	Symbol::delete_package "safe::$_"	2750	Symbol::delete_package "safe::$_"
2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579		2752
2580	warn "unloading cf.pm \"a bit\"";	2753	warn "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	2754	delete $INC{"cf.pm"};
		2755	delete $INC{"cf/pod.pm"};
2582		2756
2583	# don't, removes xs symbols, too,	2757	# don't, removes xs symbols, too,
2584	# and global variables created in xs	2758	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	2759	#Symbol::delete_package __PACKAGE__;
2586		2760
…		…
2601	warn "reattaching attachments to maps";	2775	warn "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	2776	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	2777	warn "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	2778	reattach $_ for values %PLAYER;
2605		2779
2606	warn "loading reloadable resources";
2607	reload_resources;
2608
2609	warn "leaving sync_job";	2780	warn "leaving sync_job";
2610		2781
2611	1	2782	1
2612	} or do {	2783	} or do {
2613	warn $@;	2784	warn $@;
…		…
2618	warn "reloaded";	2789	warn "reloaded";
2619	};	2790	};
2620		2791
2621	our $RELOAD_WATCHER; # used only during reload	2792	our $RELOAD_WATCHER; # used only during reload
2622		2793
		2794	sub reload_perl() {
		2795	# doing reload synchronously and two reloads happen back-to-back,
		2796	# coro crashes during coro_state_free->destroy here.
		2797
		2798	$RELOAD_WATCHER \|\|= Event->timer (
		2799	reentrant => 0,
		2800	after => 0,
		2801	data => WF_AUTOCANCEL,
		2802	cb => sub {
		2803	do_reload_perl;
		2804	undef $RELOAD_WATCHER;
		2805	},
		2806	);
		2807	}
		2808
2623	register_command "reload" => sub {	2809	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	2810	my ($who, $arg) = @_;
2625		2811
2626	if ($who->flag (FLAG_WIZ)) {	2812	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	2813	$who->message ("reloading server.");
2628		2814	async { reload_perl };
2629	# doing reload synchronously and two reloads happen back-to-back,
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER \|\|= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);
2641	}	2815	}
2642	};	2816	};
2643		2817
2644	unshift @INC, $LIBDIR;	2818	unshift @INC, $LIBDIR;
2645		2819
2646	my $bug_warning = 0;	2820	my $bug_warning = 0;
2647		2821
		2822	our @WAIT_FOR_TICK;
		2823	our @WAIT_FOR_TICK_BEGIN;
		2824
		2825	sub wait_for_tick {
		2826	return unless $TICK_WATCHER->is_active;
		2827	return if $Coro::current == $Coro::main;
		2828
		2829	my $signal = new Coro::Signal;
		2830	push @WAIT_FOR_TICK, $signal;
		2831	$signal->wait;
		2832	}
		2833
		2834	sub wait_for_tick_begin {
		2835	return unless $TICK_WATCHER->is_active;
		2836	return if $Coro::current == $Coro::main;
		2837
		2838	my $signal = new Coro::Signal;
		2839	push @WAIT_FOR_TICK_BEGIN, $signal;
		2840	$signal->wait;
		2841	}
		2842
		2843	my $min = 1e6;#d#
		2844	my $avg = 10;
2648	$TICK_WATCHER = Event->timer (	2845	$TICK_WATCHER = Event->timer (
2649	reentrant => 0,	2846	reentrant => 0,
2650	parked => 1,	2847	parked => 1,
2651	prio => 0,	2848	prio => 0,
2652	at => $NEXT_TICK \|\| $TICK,	2849	at => $NEXT_TICK \|\| $TICK,
…		…
2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657	unless ++$bug_warning > 10;	2854	unless ++$bug_warning > 10;
2658	return;	2855	return;
2659	}	2856	}
2660		2857
2661	$NOW = Event::time;	2858	$NOW = $tick_start = Event::time;
2662		2859
2663	cf::server_tick; # one server iteration	2860	cf::server_tick; # one server iteration
		2861
		2862	0 && sync_job {#d#
		2863	for(1..10) {
		2864	my $t = Event::time;
		2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2866	or die;
		2867
		2868	$map->width (50);
		2869	$map->height (50);
		2870	$map->alloc;
		2871	$map->_load_objects ("/tmp/x.map", 1);
		2872	my $t = Event::time - $t;
		2873
		2874	#next unless $t < 0.0013;#d#
		2875	if ($t < $min) {
		2876	$min = $t;
		2877	}
		2878	$avg = $avg * 0.99 + $t * 0.01;
		2879	}
		2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2881	exit 0;
		2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2883	};
		2884
2664	$RUNTIME += $TICK;	2885	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;	2886	$NEXT_TICK += $TICK;
2666		2887
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2670	write_runtime	2891	write_runtime
2671	or warn "ERROR: unable to write runtime file: $!";	2892	or warn "ERROR: unable to write runtime file: $!";
2672	};	2893	};
2673	}	2894	}
2674		2895
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;	2896	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#	2897	# warn $AFTER - $NOW;#d#
2680		2898
		2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2900	$sig->send;
		2901	}
		2902	while (my $sig = shift @WAIT_FOR_TICK) {
		2903	$sig->send;
		2904	}
		2905
		2906	$NOW = Event::time;
		2907
2681	# if we are delayed by four ticks or more, skip them all	2908	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2683		2910
2684	$TICK_WATCHER->at ($NEXT_TICK);	2911	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;	2912	$TICK_WATCHER->start;
		2913
		2914	$LOAD = ($NOW - $tick_start) / $TICK;
		2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2916
		2917	_post_tick;
		2918
		2919
2686	},	2920	},
2687	);	2921	);
2688		2922
2689	{	2923	{
2690	BDB::max_poll_time $TICK * 0.1;	2924	BDB::max_poll_time $TICK * 0.1;
…		…
2718		2952
2719	cf::sync_job {	2953	cf::sync_job {
2720	eval {	2954	eval {
2721	BDB::db_env_open	2955	BDB::db_env_open
2722	$DB_ENV,	2956	$DB_ENV,
2723	$BDB_ENV_DIR,	2957	$BDBDIR,
2724	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN	2958	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
2725	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,	2959	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
2726	0666;	2960	0666;
2727		2961
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729		2963
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);	2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;	2965	$DB_ENV->set_lk_detect;
2732	};	2966	};
2733		2967
…		…
2749	prio => 6,	2983	prio => 6,
2750	cb => \&IO::AIO::poll_cb,	2984	cb => \&IO::AIO::poll_cb,
2751	);	2985	);
2752	}	2986	}
2753		2987
		2988	my $_log_backtrace;
		2989
		2990	sub _log_backtrace {
		2991	my ($msg, @addr) = @_;
		2992
		2993	$msg =~ s/\n//;
		2994
		2995	# limit the # of concurrent backtraces
		2996	if ($_log_backtrace < 2) {
		2997	++$_log_backtrace;
		2998	async {
		2999	my @bt = fork_call {
		3000	@addr = map { sprintf "%x", $_ } @addr;
		3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 \|"
		3003	or die "addr2line: $!";
		3004
		3005	my @funcs;
		3006	my @res = <$fh>;
		3007	chomp for @res;
		3008	while (@res) {
		3009	my ($func, $line) = splice @res, 0, 2, ();
		3010	push @funcs, "[$func] $line";
		3011	}
		3012
		3013	@funcs
		3014	};
		3015
		3016	LOG llevInfo, "[ABT] $msg\n";
		3017	LOG llevInfo, "[ABT] $_\n" for @bt;
		3018	--$_log_backtrace;
		3019	};
		3020	} else {
		3021	LOG llevInfo, "[ABT] $msg\n";
		3022	LOG llevInfo, "[ABT] [suppressed]\n";
		3023	}
		3024	}
		3025
		3026	# load additional modules
		3027	use cf::pod;
		3028
2754	END { cf::emergency_save }	3029	END { cf::emergency_save }
2755		3030
2756	1	3031	1
2757		3032

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs. Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC