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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.229 by root, Sun Apr 1 00:36:34 2007 UTC vs.
Revision 1.263 by root, Sat May 5 05:40:27 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
		376	warn "starting to write runtime...\n";#d#
355	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
356	or return;	378	or return;
357		379
358	my $value = $cf::RUNTIME + 90 + 10;	380	my $value = $cf::RUNTIME + 90 + 10;
359	# 10 is the runtime save interval, for a monotonic clock	381	# 10 is the runtime save interval, for a monotonic clock
…		…
370	or return;	392	or return;
371		393
372	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
373	and return;	395	and return;
374		396
		397	warn "... done writing runtime.\n";#d#
		398
375	1	399	1
		400	}
		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	411	}
377		412
378	=back	413	=back
379		414
380	=cut	415	=cut
…		…
942	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
943		978
944	=cut	979	=cut
945		980
946	sub playerdir($) {	981	sub playerdir($) {
947	cf::localdir	982	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	984	}
953		985
954	sub path($) {	986	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		988
957	(playerdir $login) . "/$login.pl"	989	(playerdir $login) . "/playerdata"
958	}	990	}
959		991
960	sub find_active($) {	992	sub find_active($) {
961	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1007	my $login = $_[0];
976		1008
977	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
978		1010
979	$cf::PLAYER{$_[0]} \|\| do {	1011	$cf::PLAYER{$_[0]} \|\| do {
		1012	# rename old playerfiles to new ones
		1013	#TODO: remove when no longer required
		1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1017	aio_unlink +(playerdir $login) . "/$login.pl";
		1018
980	my $pl = load_pl path $login	1019	my $pl = load_pl path $login
981	or return;	1020	or return;
982	$cf::PLAYER{$login} = $pl	1021	$cf::PLAYER{$login} = $pl
983	}	1022	}
984	}	1023	}
…		…
1068	while and may block, so not sync_job-capable, ever.	1107	while and may block, so not sync_job-capable, ever.
1069		1108
1070	=cut	1109	=cut
1071		1110
1072	sub list_logins {	1111	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1112	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1113	or return [];
1075		1114
1076	my @logins;	1115	my @logins;
1077		1116
1078	for my $login (@$dirs) {	1117	for my $login (@$dirs) {
…		…
1113	}	1152	}
1114		1153
1115	\@paths	1154	\@paths
1116	}	1155	}
1117		1156
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1119		1158
1120	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1121		1160
1122	=cut	1161	=cut
1123		1162
1124	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1125	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1126		1165
1127	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1128		1167
1129	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1130	}	1169	}
1131		1170
1132	package cf;	1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		1178	my ($self, $type, %msg) = @_;
		1179
		1180	$self->ns->ext_event ($type, %msg);
		1181	}
		1182
		1183	=head3 cf::region
		1184
		1185	=over 4
		1186
		1187	=cut
		1188
		1189	package cf::region;
		1190
		1191	=item cf::region::find_by_path $path
		1192
		1193	Tries to decuce the probable region for a map knowing only its path.
		1194
		1195	=cut
		1196
		1197	sub find_by_path($) {
		1198	my ($path) = @_;
		1199
		1200	my ($match, $specificity);
		1201
		1202	for my $region (list) {
		1203	if ($region->match && $path =~ $region->match) {
		1204	($match, $specificity) = ($region, $region->specificity)
		1205	if $region->specificity > $specificity;
		1206	}
		1207	}
		1208
		1209	$match
		1210	}
1133		1211
1134	=back	1212	=back
1135
1136		1213
1137	=head3 cf::map	1214	=head3 cf::map
1138		1215
1139	=over 4	1216	=over 4
1140		1217
…		…
1278		1355
1279	# the original (read-only) location	1356	# the original (read-only) location
1280	sub load_path {	1357	sub load_path {
1281	my ($self) = @_;	1358	my ($self) = @_;
1282		1359
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1360	"$MAPDIR/$self->{path}.map"
1284	}	1361	}
1285		1362
1286	# the temporary/swap location	1363	# the temporary/swap location
1287	sub save_path {	1364	sub save_path {
1288	my ($self) = @_;	1365	my ($self) = @_;
1289		1366
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1368	"$TMPDIR/$path.map"
1292	}	1369	}
1293		1370
1294	# the unique path, undef == no special unique path	1371	# the unique path, undef == no special unique path
1295	sub uniq_path {	1372	sub uniq_path {
1296	my ($self) = @_;	1373	my ($self) = @_;
1297		1374
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1376	"$UNIQUEDIR/$path"
1300	}	1377	}
1301		1378
1302	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1303	# all maps in C++...	1380	# all maps in C++...
1304	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1371	$self->load_header_orig	1448	$self->load_header_orig
1372	or return;	1449	or return;
1373	$self->prepare_orig;	1450	$self->prepare_orig;
1374	}	1451	}
1375		1452
		1453	$self->default_region (cf::region::find_by_path $self->{path})
		1454	unless $self->default_region;
		1455
1376	1	1456	1
1377	}	1457	}
1378		1458
1379	sub find;	1459	sub find;
1380	sub find {	1460	sub find {
…		…
1413	my ($self) = @_;	1493	my ($self) = @_;
1414		1494
1415	local $self->{deny_reset} = 1; # loading can take a long time	1495	local $self->{deny_reset} = 1; # loading can take a long time
1416		1496
1417	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1500	my $guard = cf::lock_acquire "map_load:$path";
1419		1501
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1503
1422	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1423		1505
1424	$self->alloc;	1506	$self->alloc;
1425		1507
1426	$self->pre_load;	1508	$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;	1509	Coro::cede;
1452	$self->set_darkness_map;	1510
		1511	$self->_load_objects ($self->{load_path}, 1)
		1512	or return;
		1513
		1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1515	if delete $self->{load_original};
		1516
		1517	if (my $uniq = $self->uniq_path) {
		1518	utf8::encode $uniq;
		1519	if (aio_open $uniq, O_RDONLY, 0) {
		1520	$self->clear_unique_items;
		1521	$self->_load_objects ($uniq, 0);
		1522	}
		1523	}
		1524
		1525	Coro::cede;
		1526	# now do the right thing for maps
		1527	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1528	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1529	unless $self->difficulty;
1455	Coro::cede;	1530	Coro::cede;
		1531
		1532	unless ($self->{deny_activate}) {
		1533	$self->decay_objects;
		1534	$self->fix_auto_apply;
		1535	$self->update_buttons;
		1536	Coro::cede;
		1537	$self->set_darkness_map;
		1538	Coro::cede;
1456	$self->activate;	1539	$self->activate;
		1540	}
		1541
		1542	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1543	}
1458		1544
1459	$self->post_load;	1545	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1546	}
1463		1547
1464	sub customise_for {	1548	sub customise_for {
1465	my ($self, $ob) = @_;	1549	my ($self, $ob) = @_;
1466		1550
…		…
1657	instantiated unique items. May block.	1741	instantiated unique items. May block.
1658		1742
1659	=cut	1743	=cut
1660		1744
1661	sub unique_maps() {	1745	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1746	my $files = aio_readdir $UNIQUEDIR
1663	or return;	1747	or return;
1664		1748
1665	my @paths;	1749	my @paths;
1666		1750
1667	for (@$files) {	1751	for (@$files) {
…		…
1923		2007
1924	$rmp->{random_seed} \|\|= $exit->random_seed;	2008	$rmp->{random_seed} \|\|= $exit->random_seed;
1925		2009
1926	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2012	my $meta = "$RANDOMDIR/$md5.meta";
1929		2013
1930	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2014	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2015	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2016	undef $fh;
1933	aio_rename "$meta~", $meta;	2017	aio_rename "$meta~", $meta;
…		…
1942		2026
1943	return unless $self->type == cf::PLAYER;	2027	return unless $self->type == cf::PLAYER;
1944		2028
1945	if ($exit->slaying eq "/!") {	2029	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2031	# the problem is that $exit might not survive long enough
		2032	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2033	cf::sync_job { prepare_random_map $exit };
1948	}	2034	}
1949		2035
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2037	my $hp = $exit->stats->hp;
…		…
1959	$self->goto ($slaying, $hp, $sp);	2045	$self->goto ($slaying, $hp, $sp);
1960		2046
1961	1;	2047	1;
1962	}) {	2048	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2050	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2051	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE \| cf::NDI_RED);	2052	cf::NDI_UNIQUE \| cf::NDI_RED);
1967		2053
1968	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2055	$self->leave_link;
1970	}	2056	}
1971	})->prio (1);	2057	})->prio (1);
…		…
1987		2073
1988	utf8::encode $text;	2074	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1990	}	2076	}
1991		2077
		2078	=item $client->ext_event ($type, %msg)
		2079
		2080	Sends an exti event to the client.
		2081
		2082	=cut
		2083
		2084	sub cf::client::ext_event($$%) {
		2085	my ($self, $type, %msg) = @_;
		2086
		2087	$msg{msgtype} = "event_$type";
		2088	$self->send_packet ("ext " . cf::to_json \%msg);
		2089	}
1992		2090
1993	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1994		2092
1995	Queues a query to the client, calling the given callback with	2093	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>,	2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2188	#############################################################################	2286	#############################################################################
2189		2287
2190	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
2191		2289
2192	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2194	excludes objects.	2292	convert to/from binary).
2195		2293
2196	The parameter C<$family> should best start with the name of the extension	2294	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.	2295	using it, it should be unique.
2198		2296
2199	=over 4	2297	=over 4
…		…
2222	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;	2320	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;	2321	cf::cleanup "db_open(db): $!" if $!;
2224	};	2322	};
2225	cf::cleanup "db_open(db): $@" if $@;	2323	cf::cleanup "db_open(db): $@" if $@;
2226	};	2324	};
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	}	2325	}
2242	}	2326	}
2243		2327
2244	sub db_get($$) {	2328	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";	2329	my $key = "$_[0]/$_[1]";
2246		2330
2247	cf::sync_job {	2331	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;	2332	BDB::db_get $DB, undef, $key, my $data;
2249		2333
2250	$! ? ()	2334	$! ? ()
2251	: Compress::LZF::sthaw $data	2335	: $data
2252	}	2336	}
2253	}	2337	}
2254		2338
2255	sub db_put($$$) {	2339	sub db_put($$$) {
2256	BDB::dbreq_pri 4;	2340	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2258	}	2342	}
		2343
		2344	=item cf::cache $id => [$paths...], $processversion => $process
		2345
		2346	Generic caching function that returns the value of the resource $id,
		2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($id, $src, $processversion, $process) = @_;
		2355
		2356	my $meta =
		2357	join "\x00",
		2358	$processversion,
		2359	map {
		2360	aio_stat $_
		2361	and Carp::croak "$_: $!";
		2362
		2363	($_, (stat _)[7,9])
		2364	} @$src;
		2365
		2366	my $dbmeta = db_get cache => "$id/meta";
		2367	if ($dbmeta ne $meta) {
		2368	# changed, we may need to process
		2369
		2370	my @data;
		2371	my $md5;
		2372
		2373	for (0 .. $#$src) {
		2374	0 <= aio_load $src->[$_], $data[$_]
		2375	or Carp::croak "$src->[$_]: $!";
		2376	}
		2377
		2378	# if processing is expensive, check
		2379	# checksum first
		2380	if (1) {
		2381	$md5 =
		2382	join "\x00",
		2383	$processversion,
		2384	map {
		2385	Coro::cede;
		2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2387	} 0.. $#$src;
		2388
		2389
		2390	my $dbmd5 = db_get cache => "$id/md5";
		2391	if ($dbmd5 eq $md5) {
		2392	db_put cache => "$id/meta", $meta;
		2393
		2394	return db_get cache => "$id/data";
		2395	}
		2396	}
		2397
		2398	my $t1 = Time::HiRes::time;
		2399	my $data = $process->(\@data);
		2400	my $t2 = Time::HiRes::time;
		2401
		2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2403
		2404	db_put cache => "$id/data", $data;
		2405	db_put cache => "$id/md5" , $md5;
		2406	db_put cache => "$id/meta", $meta;
		2407
		2408	return $data;
		2409	}
		2410
		2411	db_get cache => "$id/data"
		2412	}
		2413
		2414	=item fork_call { }, $args
		2415
		2416	Executes the given code block with the given arguments in a seperate
		2417	process, returning the results. Everything must be serialisable with
		2418	Coro::Storable. May, of course, block. Note that the executed sub may
		2419	never block itself or use any form of Event handling.
		2420
		2421	=cut
		2422
		2423	sub fork_call(&@) {
		2424	my ($cb, @args) = @_;
		2425
		2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2427	# or die "socketpair: $!";
		2428	pipe my $fh1, my $fh2
		2429	or die "pipe: $!";
		2430
		2431	if (my $pid = fork) {
		2432	close $fh2;
		2433
		2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2435	$res = Coro::Storable::thaw $res;
		2436
		2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2438
		2439	die $$res unless "ARRAY" eq ref $res;
		2440
		2441	return wantarray ? @$res : $res->[-1];
		2442	} else {
		2443	reset_signals;
		2444	local $SIG{__WARN__};
		2445	local $SIG{__DIE__};
		2446	eval {
		2447	close $fh1;
		2448
		2449	my @res = eval { $cb->(@args) };
		2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2451	};
		2452
		2453	warn $@ if $@;
		2454	_exit 0;
		2455	}
		2456	}
		2457
		2458
2259		2459
2260	#############################################################################	2460	#############################################################################
2261	# the server's init and main functions	2461	# the server's init and main functions
2262		2462
2263	sub load_facedata {	2463	sub load_facedata($) {
2264	my $path = sprintf "%s/facedata", cf::datadir;	2464	my ($path) = @_;
2265		2465
2266	warn "loading facedata from $path\n";	2466	warn "loading facedata from $path\n";
2267		2467
2268	my $faces;	2468	my $facedata;
2269	0 < aio_load $path, $faces	2469	0 < aio_load $path, $facedata
2270	or die "$path: $!";	2470	or die "$path: $!";
2271		2471
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	2472	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		2473
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	2474	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	2475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		2476
		2477	{
		2478	my $faces = $facedata->{faceinfo};
		2479
2280	while (my ($face, $info) = each %$faces) {	2480	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2481	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2284	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2285	Coro::cede;	2485	Coro::cede;
2286	}	2486	}
2287		2487
2288	while (my ($face, $info) = each %$faces) {	2488	while (my ($face, $info) = each %$faces) {
2289	next unless $info->{smooth};	2489	next unless $info->{smooth};
2290	my $idx = cf::face::find $face	2490	my $idx = cf::face::find $face
2291	or next;	2491	or next;
2292	if (my $smooth = cf::face::find $info->{smooth}) {	2492	if (my $smooth = cf::face::find $info->{smooth}) {
2293	cf::face::set_smooth $idx, $smooth;	2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2294	} else {	2494	} else {
2295	warn "smooth face '$info->{smooth}' not found for face '$face'";	2495	warn "smooth face '$info->{smooth}' not found for face '$face'";
2296	}	2496	}
2297	Coro::cede;	2497	Coro::cede;
		2498	}
		2499	}
		2500
		2501	{
		2502	my $anims = $facedata->{animinfo};
		2503
		2504	while (my ($anim, $info) = each %$anims) {
		2505	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2506	Coro::cede;
		2507	}
		2508
		2509	cf::anim::invalidate_all; # d'oh
2298	}	2510	}
2299		2511
2300	1	2512	1
2301	}	2513	}
2302		2514
		2515	sub reload_regions {
		2516	load_resource_file "$MAPDIR/regions"
		2517	or die "unable to load regions file\n";
		2518	}
		2519
		2520	sub reload_facedata {
		2521	load_facedata "$DATADIR/facedata"
		2522	or die "unable to load facedata\n";
		2523	}
		2524
		2525	sub reload_archetypes {
		2526	load_resource_file "$DATADIR/archetypes"
		2527	or die "unable to load archetypes\n";
		2528	}
		2529
		2530	sub reload_treasures {
		2531	load_resource_file "$DATADIR/treasures"
		2532	or die "unable to load treasurelists\n";
		2533	}
		2534
2303	sub reload_resources {	2535	sub reload_resources {
2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2536	warn "reloading resource files...\n";
2305	or die "unable to load regions file\n";#d#	2537
		2538	reload_regions;
2306	load_facedata	2539	reload_facedata;
2307	or die "unable to load facedata\n";#d#	2540	reload_archetypes;
		2541	reload_treasures;
		2542
		2543	warn "finished reloading resource files\n";
2308	}	2544	}
2309		2545
2310	sub init {	2546	sub init {
2311	reload_resources;	2547	reload_resources;
2312	}	2548	}
2313		2549
2314	sub cfg_load {	2550	sub cfg_load {
2315	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2316	or return;	2552	or return;
2317		2553
2318	local $/;	2554	local $/;
2319	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2320		2556
…		…
2405		2641
2406	warn Carp::longmess "post_cleanup backtrace"	2642	warn Carp::longmess "post_cleanup backtrace"
2407	if $make_core;	2643	if $make_core;
2408	}	2644	}
2409		2645
2410	sub reload() {	2646	sub do_reload_perl() {
2411	# can/must only be called in main	2647	# can/must only be called in main
2412	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2413	warn "can only reload from main coroutine";	2649	warn "can only reload from main coroutine";
2414	return;	2650	return;
2415	}	2651	}
…		…
2490	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2492		2728
2493	warn "unloading cf.pm \"a bit\"";	2729	warn "unloading cf.pm \"a bit\"";
2494	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2495		2732
2496	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2497	# and global variables created in xs	2734	# and global variables created in xs
2498	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2499		2736
…		…
2514	warn "reattaching attachments to maps";	2751	warn "reattaching attachments to maps";
2515	reattach $_ for values %MAP;	2752	reattach $_ for values %MAP;
2516	warn "reattaching attachments to players";	2753	warn "reattaching attachments to players";
2517	reattach $_ for values %PLAYER;	2754	reattach $_ for values %PLAYER;
2518		2755
2519	warn "loading reloadable resources";
2520	reload_resources;
2521
2522	warn "leaving sync_job";	2756	warn "leaving sync_job";
2523		2757
2524	1	2758	1
2525	} or do {	2759	} or do {
2526	warn $@;	2760	warn $@;
…		…
2531	warn "reloaded";	2765	warn "reloaded";
2532	};	2766	};
2533		2767
2534	our $RELOAD_WATCHER; # used only during reload	2768	our $RELOAD_WATCHER; # used only during reload
2535		2769
		2770	sub reload_perl() {
		2771	# doing reload synchronously and two reloads happen back-to-back,
		2772	# coro crashes during coro_state_free->destroy here.
		2773
		2774	$RELOAD_WATCHER \|\|= Event->timer (
		2775	reentrant => 0,
		2776	after => 0,
		2777	data => WF_AUTOCANCEL,
		2778	cb => sub {
		2779	do_reload_perl;
		2780	undef $RELOAD_WATCHER;
		2781	},
		2782	);
		2783	}
		2784
2536	register_command "reload" => sub {	2785	register_command "reload" => sub {
2537	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2538		2787
2539	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2540	$who->message ("reloading server.");	2789	$who->message ("reloading server.");
2541		2790	async { reload_perl };
2542	# doing reload synchronously and two reloads happen back-to-back,
2543	# coro crashes during coro_state_free->destroy here.
2544
2545	$RELOAD_WATCHER \|\|= Event->timer (
2546	reentrant => 0,
2547	after => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => sub {
2550	reload;
2551	undef $RELOAD_WATCHER;
2552	},
2553	);
2554	}	2791	}
2555	};	2792	};
2556		2793
2557	unshift @INC, $LIBDIR;	2794	unshift @INC, $LIBDIR;
2558		2795
2559	my $bug_warning = 0;	2796	my $bug_warning = 0;
		2797
		2798	our @WAIT_FOR_TICK;
		2799	our @WAIT_FOR_TICK_BEGIN;
		2800
		2801	sub wait_for_tick {
		2802	return unless $TICK_WATCHER->is_active;
		2803	return if $Coro::current == $Coro::main;
		2804
		2805	my $signal = new Coro::Signal;
		2806	push @WAIT_FOR_TICK, $signal;
		2807	$signal->wait;
		2808	}
		2809
		2810	sub wait_for_tick_begin {
		2811	return unless $TICK_WATCHER->is_active;
		2812	return if $Coro::current == $Coro::main;
		2813
		2814	my $signal = new Coro::Signal;
		2815	push @WAIT_FOR_TICK_BEGIN, $signal;
		2816	$signal->wait;
		2817	}
2560		2818
2561	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2562	reentrant => 0,	2820	reentrant => 0,
2563	parked => 1,	2821	parked => 1,
2564	prio => 0,	2822	prio => 0,
…		…
2572	}	2830	}
2573		2831
2574	$NOW = Event::time;	2832	$NOW = Event::time;
2575		2833
2576	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2577	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2578	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2579		2838
2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2581	$NEXT_RUNTIME_WRITE = $NOW + 10;	2840	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2583	write_runtime	2842	write_runtime
2584	or warn "ERROR: unable to write runtime file: $!";	2843	or warn "ERROR: unable to write runtime file: $!";
2585	};	2844	};
2586	}	2845	}
2587		2846
2588	$WAIT_FOR_TICK->broadcast;
2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2590
2591	# my $AFTER = Event::time;	2847	# my $AFTER = Event::time;
2592	# warn $AFTER - $NOW;#d#	2848	# warn $AFTER - $NOW;#d#
2593		2849
2594	# if we are delayed by four ticks or more, skip them all	2850	# if we are delayed by four ticks or more, skip them all
2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2596		2852
2597	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2598	$TICK_WATCHER->start;	2854	$TICK_WATCHER->start;
		2855
		2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2857	$sig->send;
		2858	}
		2859	while (my $sig = shift @WAIT_FOR_TICK) {
		2860	$sig->send;
		2861	}
		2862
		2863	_post_tick;
2599	},	2864	},
2600	);	2865	);
2601		2866
2602	{	2867	{
2603	BDB::max_poll_time $TICK * 0.1;	2868	BDB::max_poll_time $TICK * 0.1;
…		…
2631		2896
2632	cf::sync_job {	2897	cf::sync_job {
2633	eval {	2898	eval {
2634	BDB::db_env_open	2899	BDB::db_env_open
2635	$DB_ENV,	2900	$DB_ENV,
2636	$BDB_ENV_DIR,	2901	$BDBDIR,
2637	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN	2902	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
2638	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,	2903	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
2639	0666;	2904	0666;
2640		2905
2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2642		2907
2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);	2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
2644	$DB_ENV->set_lk_detect;	2909	$DB_ENV->set_lk_detect;
2645	};	2910	};
2646		2911
…		…
2662	prio => 6,	2927	prio => 6,
2663	cb => \&IO::AIO::poll_cb,	2928	cb => \&IO::AIO::poll_cb,
2664	);	2929	);
2665	}	2930	}
2666		2931
		2932	my $_log_backtrace;
		2933
		2934	sub _log_backtrace {
		2935	my ($msg, @addr) = @_;
		2936
		2937	$msg =~ s/\n//;
		2938
		2939	# limit the # of concurrent backtraces
		2940	if ($_log_backtrace < 2) {
		2941	++$_log_backtrace;
		2942	async {
		2943	my @bt = fork_call {
		2944	@addr = map { sprintf "%x", $_ } @addr;
		2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 \|"
		2947	or die "addr2line: $!";
		2948
		2949	my @funcs;
		2950	my @res = <$fh>;
		2951	chomp for @res;
		2952	while (@res) {
		2953	my ($func, $line) = splice @res, 0, 2, ();
		2954	push @funcs, "[$func] $line";
		2955	}
		2956
		2957	@funcs
		2958	};
		2959
		2960	LOG llevInfo, "[ABT] $msg\n";
		2961	LOG llevInfo, "[ABT] $_\n" for @bt;
		2962	--$_log_backtrace;
		2963	};
		2964	} else {
		2965	LOG llevInfo, "[ABT] $msg\n";
		2966	LOG llevInfo, "[ABT] [suppressed]\n";
		2967	}
		2968	}
		2969
		2970	# load additional modules
		2971	use cf::pod;
		2972
2667	END { cf::emergency_save }	2973	END { cf::emergency_save }
2668		2974
2669	1	2975	1
2670		2976

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.229 by root, Sun Apr 1 00:36:34 2007 UTC vs. Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.229 by root, Sun Apr 1 00:36:34 2007 UTC vs.
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC