cluster

package
v1.3.0-rc1 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Sep 25, 2018 License: Apache-2.0 Imports: 16 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// DefaultRPCTimeout is the default RPC timeout
	// that RPCs use
	DefaultRPCTimeout = time.Second * 5
)

Variables

This section is empty.

Functions

func DERtoPEM 

func DERtoPEM(der []byte) string

DERtoPEM returns a PEM representation of the DER encoded certificate

Types

type ChannelExtractor 

type ChannelExtractor interface {
	TargetChannel(message proto.Message) string
}

ChannelExtractor extracts the channel of a given message, or returns an empty string if that's not possible

type Client 

type Client interface {
	// Submit submits transactions to a cluster member
	Submit(ctx context.Context, opts ...grpc.CallOption) (orderer.Cluster_SubmitClient, error)
	// Step passes an implementation-specific message to another cluster member.
	Step(ctx context.Context, in *orderer.StepRequest, opts ...grpc.CallOption) (*orderer.StepResponse, error)
}

Client is the definition of operations that the Cluster gRPC service exposes to cluster nodes.

type Comm 

type Comm struct {
	Lock         sync.RWMutex
	Logger       *logging.Logger
	ChanExt      ChannelExtractor
	H            Handler
	Connections  *ConnectionStore
	Chan2Members MembersByChannel
	RPCTimeout   time.Duration
	// contains filtered or unexported fields
}

Comm implements Communicator

func (*Comm) Configure 

func (c *Comm) Configure(channel string, newNodes []RemoteNode)

Configure configures the channel with the given RemoteNodes

func (*Comm) DispatchStep 

func (c *Comm) DispatchStep(ctx context.Context, request *orderer.StepRequest) (*orderer.StepResponse, error)

DispatchStep identifies the channel and sender of the step request and passes it to the underlying Handler

func (*Comm) DispatchSubmit 

func (c *Comm) DispatchSubmit(ctx context.Context, request *orderer.SubmitRequest) (*orderer.SubmitResponse, error)

DispatchSubmit identifies the channel and sender of the submit request and passes it to the underlying Handler

func (*Comm) Remote 

func (c *Comm) Remote(channel string, id uint64) (*RemoteContext, error)

Remote obtains a RemoteContext linked to the destination node on the context of a given channel

func (*Comm) Shutdown 

func (c *Comm) Shutdown()

Shutdown shuts down the instance

type Communicator 

type Communicator interface {
	// Remote returns a RemoteContext for the given RemoteNode ID in the context
	// of the given channel, or error if connection cannot be established, or
	// the channel wasn't configured
	Remote(channel string, id uint64) (*RemoteContext, error)
	// Configure configures the communication to connect to all
	// given members, and disconnect from any members not among the given
	// members.
	Configure(channel string, members []*RemoteNode)
	// Shutdown shuts down the communicator
	Shutdown()
}

Communicator defines communication for a consenter

type ConnByCertMap 

type ConnByCertMap map[string]*grpc.ClientConn

ConnByCertMap maps certificates represented as strings to gRPC connections

func (ConnByCertMap) Lookup 

func (cbc ConnByCertMap) Lookup(cert []byte) (*grpc.ClientConn, bool)

Lookup looks up a certificate and returns the connection that was mapped to the certificate, and whether it was found or not

func (ConnByCertMap) Put 

func (cbc ConnByCertMap) Put(cert []byte, conn *grpc.ClientConn)

Put associates the given connection to the certificate

func (ConnByCertMap) Remove 

func (cbc ConnByCertMap) Remove(cert []byte)

Remove removes the connection that is associated to the given certificate

type ConnectionMapper 

type ConnectionMapper interface {
	Lookup(cert []byte) (*grpc.ClientConn, bool)
	Put(cert []byte, conn *grpc.ClientConn)
	Remove(cert []byte)
}

ConnectionMapper maps certificates to connections

type ConnectionStore 

type ConnectionStore struct {
	Connections ConnectionMapper
	// contains filtered or unexported fields
}

ConnectionStore stores connections to remote nodes

func NewConnectionStore 

func NewConnectionStore(dialer SecureDialer) *ConnectionStore

NewConnectionStore creates a new ConnectionStore with the given SecureDialer

func (*ConnectionStore) Connection 

func (c *ConnectionStore) Connection(endpoint string, expectedServerCert []byte) (*grpc.ClientConn, error)

Connection obtains a connection to the given endpoint and expects the given server certificate to be presented by the remote node

func (*ConnectionStore) Disconnect 

func (c *ConnectionStore) Disconnect(expectedServerCert []byte)

Disconnect closes the gRPC connection that is mapped to the given certificate

type Dispatcher 

type Dispatcher interface {
	DispatchSubmit(ctx context.Context, request *orderer.SubmitRequest) (*orderer.SubmitResponse, error)
	DispatchStep(ctx context.Context, request *orderer.StepRequest) (*orderer.StepResponse, error)
}

Dispatcher dispatches requests

type Handler 

type Handler interface {
	OnStep(channel string, sender uint64, req *orderer.StepRequest) (*orderer.StepResponse, error)
	OnSubmit(channel string, sender uint64, req *orderer.SubmitRequest) (*orderer.SubmitResponse, error)
}

Handler handles Step() and Submit() requests and returns a corresponding response

type MemberMapping 

type MemberMapping map[uint64]*Stub

MemberMapping defines NetworkMembers by their ID

func (MemberMapping) ByID 

func (mp MemberMapping) ByID(ID uint64) *Stub

ByID retrieves the Stub with the given ID from the MemberMapping

func (MemberMapping) LookupByClientCert 

func (mp MemberMapping) LookupByClientCert(cert []byte) *Stub

LookupByClientCert retrieves a Stub with the given client certificate

func (MemberMapping) Put 

func (mp MemberMapping) Put(stub *Stub)

Put inserts the given stub to the MemberMapping

func (MemberMapping) ServerCertificates 

func (mp MemberMapping) ServerCertificates() StringSet

ServerCertificates returns a set of the server certificates represented as strings

type MembersByChannel 

type MembersByChannel map[string]MemberMapping

MembersByChannel is a mapping from channel name to MemberMapping

type PredicateDialer 

type PredicateDialer struct {
	Config atomic.Value
}

PredicateDialer creates gRPC connections that are only established if the given predicate is fulfilled

func NewTLSPinningDialer 

func NewTLSPinningDialer(config comm.ClientConfig) *PredicateDialer

NewTLSPinningDialer creates a new PredicateDialer

func (*PredicateDialer) Dial 

func (dialer *PredicateDialer) Dial(address string, verifyFunc RemoteVerifier) (*grpc.ClientConn, error)

Dial creates a new gRPC connection that can only be established, if the remote node's certificate chain satisfy verifyFunc

func (*PredicateDialer) SetConfig 

func (dialer *PredicateDialer) SetConfig(config comm.ClientConfig)

SetConfig sets the configuration of the PredicateDialer

type RPC 

type RPC struct {
	Channel string
	Comm    RemoteCommunicator
	// contains filtered or unexported fields
}

RPC performs remote procedure calls to remote cluster nodes.

func (*RPC) ReceiveSubmitResponse 

func (s *RPC) ReceiveSubmitResponse(destination uint64) (*orderer.SubmitResponse, error)

ReceiveSubmitResponse receives a SubmitResponse from the given destination node

func (*RPC) SendSubmit 

func (s *RPC) SendSubmit(destination uint64, request *orderer.SubmitRequest) error

SendSubmit sends a SubmitRequest to the given destination node

func (*RPC) Step 

func (s *RPC) Step(destination uint64, msg *orderer.StepRequest) (*orderer.StepResponse, error)

Step sends a StepRequest to the given destination node and returns the response

type RemoteCommunicator 

type RemoteCommunicator interface {
	// Remote returns a RemoteContext for the given node ID in the context
	// of the given channel, or error if connection cannot be established, or
	// the channel wasn't configured
	Remote(channel string, id uint64) (*RemoteContext, error)
}

RemoteCommunicator communicates to remote nodes

type RemoteContext 

type RemoteContext struct {
	RPCTimeout time.Duration

	Client orderer.ClusterClient
	// contains filtered or unexported fields
}

RemoteContext interacts with remote cluster nodes. Every call can be aborted via call to Abort()

func (*RemoteContext) Abort 

func (rc *RemoteContext) Abort()

Abort aborts the contexts the RemoteContext uses, thus effectively causes all operations on the embedded ClusterClient to end.

func (*RemoteContext) Step 

func (rc *RemoteContext) Step(req *orderer.StepRequest) (*orderer.StepResponse, error)

Step passes an implementation-specific message to another cluster member.

func (*RemoteContext) SubmitStream 

func (rc *RemoteContext) SubmitStream() (orderer.Cluster_SubmitClient, error)

SubmitStream creates a new Submit stream

type RemoteNode 

type RemoteNode struct {
	// ID is unique among all members, and cannot be 0.
	ID uint64
	// Endpoint is the endpoint of the node, denoted in %s:%d format
	Endpoint string
	// ServerTLSCert is the DER encoded TLS server certificate of the node
	ServerTLSCert []byte
	// ClientTLSCert is the DER encoded TLS client certificate of the node
	ClientTLSCert []byte
}

RemoteNode represents a cluster member

func (RemoteNode) String 

func (rm RemoteNode) String() string

String returns a string representation of this RemoteNode

type RemoteVerifier 

type RemoteVerifier func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error

RemoteVerifier verifies the connection to the remote host

type SecureDialer 

type SecureDialer interface {
	Dial(address string, verifyFunc RemoteVerifier) (*grpc.ClientConn, error)
}

SecureDialer connects to a remote address

type Service 

type Service struct {
	Dispatcher Dispatcher
	Logger     logging.Logger
}

Service defines the raft Service

func (*Service) Step 

func (s *Service) Step(ctx context.Context, request *orderer.StepRequest) (*orderer.StepResponse, error)

Step forwards a message to a raft FSM located in this server

func (*Service) Submit 

func (s *Service) Submit(stream orderer.Cluster_SubmitServer) error

Submit accepts transactions

type StringSet 

type StringSet map[string]struct{}

StringSet is a set of strings

type Stub 

type Stub struct {
	RemoteNode
	*RemoteContext
	// contains filtered or unexported fields
}

Stub holds all information about the remote node, including the RemoteContext for it, and serializes some operations on it.

func (*Stub) Activate 

func (stub *Stub) Activate(createRemoteContext func() (*RemoteContext, error)) error

Activate creates a remote context with the given function callback in an atomic manner - if two parallel invocations are invoked on this Stub, only a single invocation of createRemoteStub takes place.

func (*Stub) Active 

func (stub *Stub) Active() bool

Active returns whether the Stub is active or not

func (*Stub) Deactivate 

func (stub *Stub) Deactivate()

Deactivate deactivates the Stub and ceases all communication operations invoked on it.

type SubmitClient 

type SubmitClient interface {
	Send(request *orderer.SubmitRequest) error
	Recv() (*orderer.SubmitResponse, error)
	grpc.ClientStream
}

SubmitClient is the Submit gRPC stream

type SubmitStream 

type SubmitStream interface {
	Send(response *orderer.SubmitResponse) error
	Recv() (*orderer.SubmitRequest, error)
	grpc.ServerStream
}

SubmitStream defines the gRPC stream for sending transactions, and receiving corresponding responses

Source Files

View all Source files

Directories

Path Synopsis
Code generated by mockery v1.0.0.
 Code generated by mockery v1.0.0.

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.