void
gs_init_ttl()
{
register Inodenum i;
#ifndef AGE_IN_INODE
Res_size numbytes;
numbytes = Superblock.s_numinodes;
CEILING_BLKSZ(numbytes);
Inode_local_ttl = (unsigned char *) a_alloc(A_CACHE_MEM, numbytes);
Inode_global_ttl = (unsigned char *) a_alloc(A_CACHE_MEM, numbytes);
if (Inode_local_ttl == 0 || Inode_global_ttl == 0)
bpanic("Insufficient memory for ttl structures.");
#endif
if ( init_done ) return ;
dbmessage(28,("Init_ttl starts..."));
p_ttl_updates = ttl_updates ;
mu_init(&update_mutex) ;
sema_init(&can_age,0) ;
sema_init(&awaiting_accept,0);
refuse_age=1 ; refusing_member= -1 ; delay_threshold= HARD_THRESHOLD ;
/* Initially set all lifetimes to unknown */
for (i = 1; i < Superblock.s_numinodes; i++)
{
INIT_LOCAL_TTL(i) ; INIT_GLOBAL_TTL(i) ;
}
init_done= 1;
dbmessage(28,("Init_ttl finishes"));
}
void CursorCache::gotKillCursors(Message& m ) {
DbMessage dbmessage(m);
int n = dbmessage.pullInt();
if ( n > 2000 ) {
( n < 30000 ? warning() : error() ) << "receivedKillCursors, n=" << n << endl;
}
uassert( 13286 , "sent 0 cursors to kill" , n >= 1 );
uassert( 13287 , "too many cursors to kill" , n < 30000 );
massert( 18632 , str::stream() << "bad kill cursors size: " << m.dataSize(),
m.dataSize() == 8 + ( 8 * n ) );
const long long* cursors = dbmessage.getArray(n);
ClientBasic* client = ClientBasic::getCurrent();
AuthorizationSession* authSession = client->getAuthorizationSession();
for ( int i=0; i<n; i++ ) {
long long id = cursors[i];
LOG(_myLogLevel) << "CursorCache::gotKillCursors id: " << id << endl;
if ( ! id ) {
warning() << " got cursor id of 0 to kill" << endl;
continue;
}
string server;
{
scoped_lock lk( _mutex );
MapSharded::iterator i = _cursors.find( id );
if ( i != _cursors.end() ) {
const bool isAuthorized = authSession->isAuthorizedForActionsOnNamespace(
NamespaceString(i->second->getNS()), ActionType::killCursors);
audit::logKillCursorsAuthzCheck(
client,
NamespaceString(i->second->getNS()),
id,
isAuthorized ? ErrorCodes::OK : ErrorCodes::Unauthorized);
if (isAuthorized) {
_cursorsMaxTimeMS.erase( i->second->getId() );
_cursors.erase( i );
}
continue;
}
MapNormal::iterator refsIt = _refs.find(id);
MapNormal::iterator refsNSIt = _refsNS.find(id);
if (refsIt == _refs.end()) {
warning() << "can't find cursor: " << id << endl;
continue;
}
verify(refsNSIt != _refsNS.end());
const bool isAuthorized = authSession->isAuthorizedForActionsOnNamespace(
NamespaceString(refsNSIt->second), ActionType::killCursors);
audit::logKillCursorsAuthzCheck(
client,
NamespaceString(refsNSIt->second),
id,
isAuthorized ? ErrorCodes::OK : ErrorCodes::Unauthorized);
if (!isAuthorized) {
continue;
}
server = refsIt->second;
_refs.erase(refsIt);
_refsNS.erase(refsNSIt);
}
LOG(_myLogLevel) << "CursorCache::found gotKillCursors id: " << id << " server: " << server << endl;
verify( server.size() );
ScopedDbConnection conn(server);
conn->killCursor( id );
conn.done();
}
}
void CursorCache::gotKillCursors(Message& m ) {
DbMessage dbmessage(m);
int n = dbmessage.pullInt();
if ( n > 2000 ) {
LOG( n < 30000 ? LL_WARNING : LL_ERROR ) << "receivedKillCursors, n=" << n << endl;
}
uassert( 13286 , "sent 0 cursors to kill" , n >= 1 );
uassert( 13287 , "too many cursors to kill" , n < 30000 );
massert( 18632 , str::stream() << "bad kill cursors size: " << m.dataSize(),
m.dataSize() == 8 + ( 8 * n ) );
const long long* cursors = dbmessage.getArray(n);
AuthorizationManager* authManager =
ClientBasic::getCurrent()->getAuthorizationManager();
for ( int i=0; i<n; i++ ) {
long long id = cursors[i];
LOG(_myLogLevel) << "CursorCache::gotKillCursors id: " << id << endl;
if ( ! id ) {
LOG( LL_WARNING ) << " got cursor id of 0 to kill" << endl;
continue;
}
string server;
{
scoped_lock lk( _mutex );
MapSharded::iterator i = _cursors.find( id );
if ( i != _cursors.end() ) {
if (authManager->checkAuthorization(i->second->getNS(),
ActionType::killCursors)) {
_cursors.erase( i );
}
continue;
}
MapNormal::iterator refsIt = _refs.find(id);
MapNormal::iterator refsNSIt = _refsNS.find(id);
if (refsIt == _refs.end()) {
LOG( LL_WARNING ) << "can't find cursor: " << id << endl;
continue;
}
verify(refsNSIt != _refsNS.end());
if (!authManager->checkAuthorization(refsNSIt->second, ActionType::killCursors)) {
continue;
}
server = refsIt->second;
_refs.erase(refsIt);
_refsNS.erase(refsNSIt);
}
LOG(_myLogLevel) << "CursorCache::found gotKillCursors id: " << id << " server: " << server << endl;
verify( server.size() );
scoped_ptr<ScopedDbConnection> conn(
ScopedDbConnection::getScopedDbConnection( server ) );
conn->get()->killCursor( id );
conn->done();
}
}
