Ejemplo n.º 1
0
func NewMemberInfoFromToken(token *XLRegMsg_Token) (
	m *xcl.MemberInfo, err error) {

	var (
		ck, sk *rsa.PublicKey
		ctor   xt.ConnectorI
		ctors  []xt.ConnectorI
		farEnd xt.EndPointI
		nodeID *xi.NodeID
		peer   *xn.Peer
	)
	if token == nil {
		err = NilToken
	} else {
		nodeID, err = xi.New(token.GetID())
		if err == nil {
			ck, err = xc.RSAPubKeyFromWire(token.GetCommsKey())
			if err == nil {
				sk, err = xc.RSAPubKeyFromWire(token.GetSigKey())
				if err == nil {
					attrs := token.GetAttrs()
					myEnds := token.GetMyEnds()
					for i := 0; i < len(myEnds); i++ {
						myEnd := myEnds[i]
						farEnd, err = xt.NewTcpEndPoint(myEnd)
						if err != nil {
							break
						}
						ctor, err = xt.NewTcpConnector(farEnd)
						if err != nil {
							break
						}
						ctors = append(ctors, ctor)
					}
					if err == nil {
						peer, err = xn.NewPeer(token.GetName(), nodeID,
							ck, sk, nil, ctors)
						if err == nil {
							m = &xcl.MemberInfo{
								Attrs: attrs,
								Peer:  peer,
							}
						}
					}
				}
				//if err == nil {
				//	m, err = NewMemberInfo(token.GetName(), nodeID,
				//		ck, sk, token.GetAttrs(), token.GetMyEnds())
				//}
			}
		}
	}
	return
}
Ejemplo n.º 2
0
func (s *XLSuite) makeAMemberInfo(c *C, rng *xr.PRNG) *xcl.MemberInfo {
	attrs := uint64(rng.Int63())
	peer, err := xn.NewPeer(
		rng.NextFileName(8),
		s.makeANodeID(c, rng),
		&s.makeAnRSAKey(c).PublicKey,
		&s.makeAnRSAKey(c).PublicKey,
		nil, // overlays
		nil) // XXX CONNECTORS
	c.Assert(err, IsNil)
	return &xcl.MemberInfo{
		Attrs: attrs,
		Peer:  peer,
	}
} // GEEP
Ejemplo n.º 3
0
// Given contact information for a registry and the name of a cluster,
// the client joins the cluster, collects information on the other members,
// and terminates when it has info on the entire membership.
func NewMemberMaker(
	node *xn.Node, attrs uint64,
	regName string, regID *xi.NodeID, regEnd xt.EndPointI,
	regCK, regSK *rsa.PublicKey,
	clusterName string, clusterAttrs uint64, clusterID *xi.NodeID,
	size, epCount uint32, endPoints []xt.EndPointI) (
	mm *MemberMaker, err error) {

	var (
		cm      *xcl.ClusterMember
		isAdmin = (attrs & xcl.ATTR_ADMIN) != 0
		regPeer *xn.Peer
	)
	// sanity checks on parameter list
	if node == nil {
		err = MissingNode
	} else {
		if regName == "" || regID == nil || regEnd == nil ||
			regCK == nil {

			err = MissingServerInfo
		}
		if err == nil {
			// DEBUG
			fmt.Printf("NemMemberMaker: regEnd is %s\n", regEnd.String())
			// END
			if (attrs & xcl.ATTR_SOLO) == uint64(0) {
				if clusterName == "" {
					err = MissingClusterNameOrID
					if err == nil && size < uint32(1) {
						// err = ClusterMustHaveTwo
						err = ClusterMustHaveMember
					}
				}
				if err == nil {
					// if the client is an admin client epCount applies
					// to the cluster
					if epCount < uint32(1) {
						epCount = uint32(1)
					}
					if !isAdmin {
						// XXX There is some confusion here: we don't require
						// that all members have the same number of endpoints
						actualEPCount := uint32(len(endPoints))
						if actualEPCount == 0 {
							err = MemberMustHaveEndPoint
						} else if epCount > actualEPCount {
							epCount = actualEPCount
						}
						for i := 0; i < int(epCount); i++ {
							_, err = node.AddEndPoint(endPoints[i])
						}
					}
				}
			}
		}
	}

	if err == nil {
		var ctor xt.ConnectorI
		var ctors []xt.ConnectorI
		ctor, err = xt.NewTcpConnector(regEnd)
		if err == nil {
			ctors = append(ctors, ctor)
			regPeer, err = xn.NewPeer(regName, regID, regCK, regSK,
				nil, ctors)
			if err == nil {
				_, err = node.AddPeer(regPeer)
			}
		}
	}
	if err == nil {
		cm = &xcl.ClusterMember{
			// Attrs gets negotiated
			ClusterName:    clusterName,
			ClusterAttrs:   clusterAttrs,
			ClusterID:      clusterID,
			ClusterMaxSize: size,
			EPCount:        epCount,
			// Members added on the fly
			Members: make([]*xcl.MemberInfo, size),
			Node:    *node,
		}
		mm = &MemberMaker{
			ProposedAttrs: attrs,
			DoneCh:        make(chan error, 1),
			RegPeer:       regPeer,
			ClusterMember: *cm,
		}
	}
	return
}