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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.256 by root, Sat Apr 21 16:56:32 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;
		23	use Coro::Storable;
21		24
22	use BDB ();	25	use BDB ();
23	use Data::Dumper;	26	use Data::Dumper;
24	use Digest::MD5;	27	use Digest::MD5;
25	use Fcntl;	28	use Fcntl;
…		…
28	use Time::HiRes;	31	use Time::HiRes;
29	use Compress::LZF;	32	use Compress::LZF;
30		33
31	# configure various modules to our taste	34	# configure various modules to our taste
32	#	35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		39
36	$Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
37		41
…		…
50	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
52		56
53	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
54	our @EVENT;	58	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		59
57	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(!)
58	our $TICK_WATCHER;	73	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	76	our $NEXT_TICK;
62	our $NOW;	77	our $NOW;
…		…
71	our $RUNTIME;	86	our $RUNTIME;
72		87
73	our %PLAYER; # all users	88	our %PLAYER; # all users
74	our %MAP; # all maps	89	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
81		91
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		94
85	binmode STDOUT;	95	binmode STDOUT;
86	binmode STDERR;	96	binmode STDERR;
87		97
88	# read virtual server time, if available	98	# read virtual server time, if available
89	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
93	}	103	}
94		104
95	mkdir cf::localdir;	105	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		107
102	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
103		109
104	sub cf::map::normalise;	110	sub cf::map::normalise;
105		111
…		…
116	=item $cf::RUNTIME	122	=item $cf::RUNTIME
117		123
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	125	every server tick.
120		126
121	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		130
123	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
125		135
126	=item $cf::NOW	136	=item $cf::NOW
127		137
128	The time of the last (current) server tick.	138	The time of the last (current) server tick.
129		139
…		…
134	=item %cf::CFG	144	=item %cf::CFG
135		145
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	147	from wherever your confdir points to.
138		148
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		150
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	152	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.
145		154
146	=back	155	=back
147		156
148	=cut	157	=cut
149		158
150	BEGIN {	159	BEGIN {
151	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	161	my $msg = join "", @_;
153	utf8::encode $msg;
154		162
155	$msg .= "\n"	163	$msg .= "\n"
156	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
157		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
158	LOG llevError, $msg;	169	LOG llevError, $msg;
159	};	170	};
160	}	171	}
161		172
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
232	returned.	243	returned.
233		244
234	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
236		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
237	=cut	252	=cut
238		253
239	our %LOCK;	254	our %LOCK;
240		255
241	sub lock_wait($) {	256	sub lock_wait($) {
…		…
258		273
259	Coro::guard {	274	Coro::guard {
260	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
262	}	277	}
		278	}
		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
263	}	284	}
264		285
265	sub freeze_mainloop {	286	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
267		288
…		…
348	}	369	}
349		370
350	sub write_runtime {	371	sub write_runtime {
351	my $guard = cf::lock_acquire "write_runtime";	372	my $guard = cf::lock_acquire "write_runtime";
352		373
353	my $runtime = cf::localdir . "/runtime";	374	my $runtime = "$LOCALDIR/runtime";
354		375
355	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
356	or return;	377	or return;
357		378
358	my $value = $cf::RUNTIME + 90 + 10;	379	my $value = $cf::RUNTIME + 90 + 10;
…		…
371		392
372	aio_rename "$runtime~", $runtime	393	aio_rename "$runtime~", $runtime
373	and return;	394	and return;
374		395
375	1	396	1
		397	}
		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	408	}
377		409
378	=back	410	=back
379		411
380	=cut	412	=cut
…		…
942	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
943		975
944	=cut	976	=cut
945		977
946	sub playerdir($) {	978	sub playerdir($) {
947	cf::localdir	979	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	981	}
953		982
954	sub path($) {	983	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		985
957	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
958	}	987	}
959		988
960	sub find_active($) {	989	sub find_active($) {
961	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1004	my $login = $_[0];
976		1005
977	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
978		1007
979	$cf::PLAYER{$_[0]} \|\| do {	1008	$cf::PLAYER{$_[0]} \|\| do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
980	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
981	or return;	1017	or return;
982	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
983	}	1019	}
984	}	1020	}
…		…
1068	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1069		1105
1070	=cut	1106	=cut
1071		1107
1072	sub list_logins {	1108	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1110	or return [];
1075		1111
1076	my @logins;	1112	my @logins;
1077		1113
1078	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
…		…
1113	}	1149	}
1114		1150
1115	\@paths	1151	\@paths
1116	}	1152	}
1117		1153
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1119		1155
1120	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1121		1157
1122	=cut	1158	=cut
1123		1159
1124	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1125	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1126		1162
1127	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1128		1164
1129	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1130	}	1166	}
1131		1167
1132	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		1175	my ($self, $type, %msg) = @_;
		1176
		1177	$self->ns->ext_event ($type, %msg);
		1178	}
		1179
		1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
		1207	}
1133		1208
1134	=back	1209	=back
1135
1136		1210
1137	=head3 cf::map	1211	=head3 cf::map
1138		1212
1139	=over 4	1213	=over 4
1140		1214
…		…
1278		1352
1279	# the original (read-only) location	1353	# the original (read-only) location
1280	sub load_path {	1354	sub load_path {
1281	my ($self) = @_;	1355	my ($self) = @_;
1282		1356
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1357	"$MAPDIR/$self->{path}.map"
1284	}	1358	}
1285		1359
1286	# the temporary/swap location	1360	# the temporary/swap location
1287	sub save_path {	1361	sub save_path {
1288	my ($self) = @_;	1362	my ($self) = @_;
1289		1363
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1365	"$TMPDIR/$path.map"
1292	}	1366	}
1293		1367
1294	# the unique path, undef == no special unique path	1368	# the unique path, undef == no special unique path
1295	sub uniq_path {	1369	sub uniq_path {
1296	my ($self) = @_;	1370	my ($self) = @_;
1297		1371
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1373	"$UNIQUEDIR/$path"
1300	}	1374	}
1301		1375
1302	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1303	# all maps in C++...	1377	# all maps in C++...
1304	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1371	$self->load_header_orig	1445	$self->load_header_orig
1372	or return;	1446	or return;
1373	$self->prepare_orig;	1447	$self->prepare_orig;
1374	}	1448	}
1375		1449
		1450	$self->default_region (cf::region::find_by_path $self->{path})
		1451	unless $self->default_region;
		1452
1376	1	1453	1
1377	}	1454	}
1378		1455
1379	sub find;	1456	sub find;
1380	sub find {	1457	sub find {
…		…
1413	my ($self) = @_;	1490	my ($self) = @_;
1414		1491
1415	local $self->{deny_reset} = 1; # loading can take a long time	1492	local $self->{deny_reset} = 1; # loading can take a long time
1416		1493
1417	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1497	my $guard = cf::lock_acquire "map_load:$path";
1419		1498
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1500
1422	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1423		1502
1424	$self->alloc;	1503	$self->alloc;
1425		1504
1426	$self->pre_load;	1505	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1506	Coro::cede;
1452	$self->set_darkness_map;	1507
		1508	$self->_load_objects ($self->{load_path}, 1)
		1509	or return;
		1510
		1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1512	if delete $self->{load_original};
		1513
		1514	if (my $uniq = $self->uniq_path) {
		1515	utf8::encode $uniq;
		1516	if (aio_open $uniq, O_RDONLY, 0) {
		1517	$self->clear_unique_items;
		1518	$self->_load_objects ($uniq, 0);
		1519	}
		1520	}
		1521
		1522	Coro::cede;
		1523	# now do the right thing for maps
		1524	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1526	unless $self->difficulty;
1455	Coro::cede;	1527	Coro::cede;
		1528
		1529	unless ($self->{deny_activate}) {
		1530	$self->decay_objects;
		1531	$self->fix_auto_apply;
		1532	$self->update_buttons;
		1533	Coro::cede;
		1534	$self->set_darkness_map;
		1535	Coro::cede;
1456	$self->activate;	1536	$self->activate;
		1537	}
		1538
		1539	$self->in_memory (cf::MAP_IN_MEMORY);
		1540
		1541	undef $guard;
1457	}	1542	}
1458		1543
1459	$self->post_load;	1544	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1545	}
1463		1546
1464	sub customise_for {	1547	sub customise_for {
1465	my ($self, $ob) = @_;	1548	my ($self, $ob) = @_;
1466		1549
…		…
1657	instantiated unique items. May block.	1740	instantiated unique items. May block.
1658		1741
1659	=cut	1742	=cut
1660		1743
1661	sub unique_maps() {	1744	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1745	my $files = aio_readdir $UNIQUEDIR
1663	or return;	1746	or return;
1664		1747
1665	my @paths;	1748	my @paths;
1666		1749
1667	for (@$files) {	1750	for (@$files) {
…		…
1923		2006
1924	$rmp->{random_seed} \|\|= $exit->random_seed;	2007	$rmp->{random_seed} \|\|= $exit->random_seed;
1925		2008
1926	my $data = cf::to_json $rmp;	2009	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2010	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2011	my $meta = "$RANDOMDIR/$md5.meta";
1929		2012
1930	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2013	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2014	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2015	undef $fh;
1933	aio_rename "$meta~", $meta;	2016	aio_rename "$meta~", $meta;
…		…
1942		2025
1943	return unless $self->type == cf::PLAYER;	2026	return unless $self->type == cf::PLAYER;
1944		2027
1945	if ($exit->slaying eq "/!") {	2028	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2030	# the problem is that $exit might not survive long enough
		2031	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2032	cf::sync_job { prepare_random_map $exit };
1948	}	2033	}
1949		2034
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2036	my $hp = $exit->stats->hp;
…		…
1959	$self->goto ($slaying, $hp, $sp);	2044	$self->goto ($slaying, $hp, $sp);
1960		2045
1961	1;	2046	1;
1962	}) {	2047	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2048	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2049	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2050	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE \| cf::NDI_RED);	2051	cf::NDI_UNIQUE \| cf::NDI_RED);
1967		2052
1968	warn "ERROR in enter_exit: $@";	2053	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2054	$self->leave_link;
1970	}	2055	}
1971	})->prio (1);	2056	})->prio (1);
…		…
1987		2072
1988	utf8::encode $text;	2073	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2074	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1990	}	2075	}
1991		2076
		2077	=item $client->ext_event ($type, %msg)
		2078
		2079	Sends an exti event to the client.
		2080
		2081	=cut
		2082
		2083	sub cf::client::ext_event($$%) {
		2084	my ($self, $type, %msg) = @_;
		2085
		2086	$msg{msgtype} = "event_$type";
		2087	$self->send_packet ("ext " . cf::to_json \%msg);
		2088	}
1992		2089
1993	=item $success = $client->query ($flags, "text", \&cb)	2090	=item $success = $client->query ($flags, "text", \&cb)
1994		2091
1995	Queues a query to the client, calling the given callback with	2092	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2188	#############################################################################	2285	#############################################################################
2189		2286
2190	=head2 EXTENSION DATABASE SUPPORT	2287	=head2 EXTENSION DATABASE SUPPORT
2191		2288
2192	Crossfire maintains a very simple database for extension use. It can	2289	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which	2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2194	excludes objects.	2291	convert to/from binary).
2195		2292
2196	The parameter C<$family> should best start with the name of the extension	2293	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.	2294	using it, it should be unique.
2198		2295
2199	=over 4	2296	=over 4
…		…
2222	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;	2319	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;	2320	cf::cleanup "db_open(db): $!" if $!;
2224	};	2321	};
2225	cf::cleanup "db_open(db): $@" if $@;	2322	cf::cleanup "db_open(db): $@" if $@;
2226	};	2323	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}	2324	}
2242	}	2325	}
2243		2326
2244	sub db_get($$) {	2327	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";	2328	my $key = "$_[0]/$_[1]";
2246		2329
2247	cf::sync_job {	2330	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;	2331	BDB::db_get $DB, undef, $key, my $data;
2249		2332
2250	$! ? ()	2333	$! ? ()
2251	: Compress::LZF::sthaw $data	2334	: $data
2252	}	2335	}
2253	}	2336	}
2254		2337
2255	sub db_put($$$) {	2338	sub db_put($$$) {
2256	BDB::dbreq_pri 4;	2339	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2258	}	2341	}
		2342
		2343	=item cf::cache $id => [$paths...], $processversion => $process
		2344
		2345	Generic caching function that returns the value of the resource $id,
		2346	caching and regenerating as required.
		2347
		2348	This function can block.
		2349
		2350	=cut
		2351
		2352	sub cache {
		2353	my ($id, $src, $processversion, $process) = @_;
		2354
		2355	my $meta =
		2356	join "\x00",
		2357	$processversion,
		2358	map {
		2359	aio_stat $_
		2360	and Carp::croak "$_: $!";
		2361
		2362	($_, (stat _)[7,9])
		2363	} @$src;
		2364
		2365	my $dbmeta = db_get cache => "$id/meta";
		2366	if ($dbmeta ne $meta) {
		2367	# changed, we may need to process
		2368
		2369	my @data;
		2370	my $md5;
		2371
		2372	for (0 .. $#$src) {
		2373	0 <= aio_load $src->[$_], $data[$_]
		2374	or Carp::croak "$src->[$_]: $!";
		2375	}
		2376
		2377	# if processing is expensive, check
		2378	# checksum first
		2379	if (1) {
		2380	$md5 =
		2381	join "\x00",
		2382	$processversion,
		2383	map {
		2384	Coro::cede;
		2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2386	} 0.. $#$src;
		2387
		2388
		2389	my $dbmd5 = db_get cache => "$id/md5";
		2390	if ($dbmd5 eq $md5) {
		2391	db_put cache => "$id/meta", $meta;
		2392
		2393	return db_get cache => "$id/data";
		2394	}
		2395	}
		2396
		2397	my $t1 = Time::HiRes::time;
		2398	my $data = $process->(\@data);
		2399	my $t2 = Time::HiRes::time;
		2400
		2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2402
		2403	db_put cache => "$id/data", $data;
		2404	db_put cache => "$id/md5" , $md5;
		2405	db_put cache => "$id/meta", $meta;
		2406
		2407	return $data;
		2408	}
		2409
		2410	db_get cache => "$id/data"
		2411	}
		2412
		2413	=item fork_call { }, $args
		2414
		2415	Executes the given code block with the given arguments in a seperate
		2416	process, returning the results. Everything must be serialisable with
		2417	Coro::Storable. May, of course, block. Note that the executed sub may
		2418	never block itself or use any form of Event handling.
		2419
		2420	=cut
		2421
		2422	sub fork_call(&@) {
		2423	my ($cb, @args) = @_;
		2424
		2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2426	# or die "socketpair: $!";
		2427	pipe my $fh1, my $fh2
		2428	or die "pipe: $!";
		2429
		2430	if (my $pid = fork) {
		2431	close $fh2;
		2432
		2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2434	$res = Coro::Storable::thaw $res;
		2435
		2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2437
		2438	die $$res unless "ARRAY" eq ref $res;
		2439
		2440	return wantarray ? @$res : $res->[-1];
		2441	} else {
		2442	local $SIG{__WARN__};
		2443	eval {
		2444	local $SIG{__DIE__};
		2445	close $fh1;
		2446
		2447	my @res = eval { $cb->(@args) };
		2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2449	};
		2450
		2451	warn $@ if $@;
		2452	_exit 0;
		2453	}
		2454	}
		2455
		2456
2259		2457
2260	#############################################################################	2458	#############################################################################
2261	# the server's init and main functions	2459	# the server's init and main functions
2262		2460
2263	sub load_faces {	2461	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	2462	my ($path) = @_;
2265		2463
2266	warn "loading faces from $path\n";	2464	warn "loading facedata from $path\n";
2267		2465
2268	my $faces;	2466	my $facedata;
2269	0 < aio_load $path, $faces	2467	0 < aio_load $path, $facedata
2270	or die "$path: $!";	2468	or die "$path: $!";
2271		2469
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	2470	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		2471
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	2472	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	2473	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		2474
		2475	{
		2476	my $faces = $facedata->{faceinfo};
		2477
2280	while (my ($face, $info) = each %$faces) {	2478	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2479	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2284	Coro::cede;	2483	Coro::cede;
2285	}	2484	}
2286		2485
2287	while (my ($face, $info) = each %$faces) {	2486	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	2487	next unless $info->{smooth};
2289	my $idx = cf::face::find $face	2488	my $idx = cf::face::find $face
2290	or next;	2489	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {	2490	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2293	} else {	2492	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	2493	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	2494	}
2296	Coro::cede;	2495	Coro::cede;
		2496	}
		2497	}
		2498
		2499	{
		2500	my $anims = $facedata->{animinfo};
		2501
		2502	while (my ($anim, $info) = each %$anims) {
		2503	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2504	Coro::cede;
		2505	}
		2506
		2507	cf::anim::invalidate_all; # d'oh
2297	}	2508	}
2298		2509
2299	1	2510	1
2300	}	2511	}
2301		2512
		2513	sub reload_regions {
		2514	load_resource_file "$MAPDIR/regions"
		2515	or die "unable to load regions file\n";
		2516	}
		2517
		2518	sub reload_facedata {
		2519	load_facedata "$DATADIR/facedata"
		2520	or die "unable to load facedata\n";
		2521	}
		2522
		2523	sub reload_archetypes {
		2524	load_resource_file "$DATADIR/archetypes"
		2525	or die "unable to load archetypes\n";
		2526	}
		2527
		2528	sub reload_treasures {
		2529	load_resource_file "$DATADIR/treasures"
		2530	or die "unable to load treasurelists\n";
		2531	}
		2532
2302	sub reload_resources {	2533	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2534	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	2535
		2536	reload_regions;
2305	load_faces	2537	reload_facedata;
2306	or die "unable to load faces\n";#d#	2538	reload_archetypes;
		2539	reload_treasures;
		2540
		2541	warn "finished reloading resource files\n";
2307	}	2542	}
2308		2543
2309	sub init {	2544	sub init {
2310	reload_resources;	2545	reload_resources;
2311	}	2546	}
2312		2547
2313	sub cfg_load {	2548	sub cfg_load {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	2549	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	2550	or return;
2316		2551
2317	local $/;	2552	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	2553	*CFG = YAML::Syck::Load <$fh>;
2319		2554
…		…
2404		2639
2405	warn Carp::longmess "post_cleanup backtrace"	2640	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	2641	if $make_core;
2407	}	2642	}
2408		2643
2409	sub reload() {	2644	sub do_reload_perl() {
2410	# can/must only be called in main	2645	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	2646	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	2647	warn "can only reload from main coroutine";
2413	return;	2648	return;
2414	}	2649	}
…		…
2489	Symbol::delete_package "safe::$_"	2724	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		2726
2492	warn "unloading cf.pm \"a bit\"";	2727	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	2728	delete $INC{"cf.pm"};
		2729	delete $INC{"cf/pod.pm"};
2494		2730
2495	# don't, removes xs symbols, too,	2731	# don't, removes xs symbols, too,
2496	# and global variables created in xs	2732	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	2733	#Symbol::delete_package __PACKAGE__;
2498		2734
…		…
2513	warn "reattaching attachments to maps";	2749	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	2750	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	2751	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	2752	reattach $_ for values %PLAYER;
2517		2753
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	2754	warn "leaving sync_job";
2522		2755
2523	1	2756	1
2524	} or do {	2757	} or do {
2525	warn $@;	2758	warn $@;
…		…
2530	warn "reloaded";	2763	warn "reloaded";
2531	};	2764	};
2532		2765
2533	our $RELOAD_WATCHER; # used only during reload	2766	our $RELOAD_WATCHER; # used only during reload
2534		2767
		2768	sub reload_perl() {
		2769	# doing reload synchronously and two reloads happen back-to-back,
		2770	# coro crashes during coro_state_free->destroy here.
		2771
		2772	$RELOAD_WATCHER \|\|= Event->timer (
		2773	reentrant => 0,
		2774	after => 0,
		2775	data => WF_AUTOCANCEL,
		2776	cb => sub {
		2777	do_reload_perl;
		2778	undef $RELOAD_WATCHER;
		2779	},
		2780	);
		2781	}
		2782
2535	register_command "reload" => sub {	2783	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	2784	my ($who, $arg) = @_;
2537		2785
2538	if ($who->flag (FLAG_WIZ)) {	2786	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	2787	$who->message ("reloading server.");
2540		2788	async { reload_perl };
2541	# doing reload synchronously and two reloads happen back-to-back,
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER \|\|= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);
2553	}	2789	}
2554	};	2790	};
2555		2791
2556	unshift @INC, $LIBDIR;	2792	unshift @INC, $LIBDIR;
2557		2793
2558	my $bug_warning = 0;	2794	my $bug_warning = 0;
		2795
		2796	our @WAIT_FOR_TICK;
		2797	our @WAIT_FOR_TICK_BEGIN;
		2798
		2799	sub wait_for_tick {
		2800	return unless $TICK_WATCHER->is_active;
		2801	return if $Coro::current == $Coro::main;
		2802
		2803	my $signal = new Coro::Signal;
		2804	push @WAIT_FOR_TICK, $signal;
		2805	$signal->wait;
		2806	}
		2807
		2808	sub wait_for_tick_begin {
		2809	return unless $TICK_WATCHER->is_active;
		2810	return if $Coro::current == $Coro::main;
		2811
		2812	my $signal = new Coro::Signal;
		2813	push @WAIT_FOR_TICK_BEGIN, $signal;
		2814	$signal->wait;
		2815	}
2559		2816
2560	$TICK_WATCHER = Event->timer (	2817	$TICK_WATCHER = Event->timer (
2561	reentrant => 0,	2818	reentrant => 0,
2562	parked => 1,	2819	parked => 1,
2563	prio => 0,	2820	prio => 0,
…		…
2571	}	2828	}
2572		2829
2573	$NOW = Event::time;	2830	$NOW = Event::time;
2574		2831
2575	cf::server_tick; # one server iteration	2832	cf::server_tick; # one server iteration
		2833
2576	$RUNTIME += $TICK;	2834	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	2835	$NEXT_TICK += $TICK;
2578		2836
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	2838	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2582	write_runtime	2840	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	2841	or warn "ERROR: unable to write runtime file: $!";
2584	};	2842	};
2585	}	2843	}
2586		2844
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;	2845	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#	2846	# warn $AFTER - $NOW;#d#
2592		2847
2593	# if we are delayed by four ticks or more, skip them all	2848	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595		2850
2596	$TICK_WATCHER->at ($NEXT_TICK);	2851	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;	2852	$TICK_WATCHER->start;
		2853
		2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2855	$sig->send;
		2856	}
		2857	while (my $sig = shift @WAIT_FOR_TICK) {
		2858	$sig->send;
		2859	}
		2860
		2861	_post_tick;
2598	},	2862	},
2599	);	2863	);
2600		2864
2601	{	2865	{
2602	BDB::max_poll_time $TICK * 0.1;	2866	BDB::max_poll_time $TICK * 0.1;
…		…
2630		2894
2631	cf::sync_job {	2895	cf::sync_job {
2632	eval {	2896	eval {
2633	BDB::db_env_open	2897	BDB::db_env_open
2634	$DB_ENV,	2898	$DB_ENV,
2635	$BDB_ENV_DIR,	2899	$BDBDIR,
2636	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN	2900	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
2637	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,	2901	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
2638	0666;	2902	0666;
2639		2903
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641		2905
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);	2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;	2907	$DB_ENV->set_lk_detect;
2644	};	2908	};
2645		2909
…		…
2661	prio => 6,	2925	prio => 6,
2662	cb => \&IO::AIO::poll_cb,	2926	cb => \&IO::AIO::poll_cb,
2663	);	2927	);
2664	}	2928	}
2665		2929
		2930	# load additional modules
		2931	use cf::pod;
		2932
2666	END { cf::emergency_save }	2933	END { cf::emergency_save }
2667		2934
2668	1	2935	1
2669		2936

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs. Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC