privval

package
v1.0.1 Latest Latest
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 Go to latest Published: Aug 8, 2024 License: Apache-2.0 Imports: 13 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrConnectionTimeout  = EndpointTimeoutError{}
	ErrNoConnection       = errors.New("endpoint is not connected")
	ErrReadTimeout        = errors.New("endpoint read timed out")
	ErrUnexpectedResponse = errors.New("empty response")
	ErrWriteTimeout       = errors.New("endpoint write timed out")
)

Socket errors.

Functions

This section is empty.

Types

type EndpointTimeoutError 

type EndpointTimeoutError struct{}

EndpointTimeoutError occurs when endpoint times out.

func (EndpointTimeoutError) Error 

func (e EndpointTimeoutError) Error() string

Implement the net.Error interface.

func (EndpointTimeoutError) Temporary 

func (e EndpointTimeoutError) Temporary() bool

func (EndpointTimeoutError) Timeout 

func (e EndpointTimeoutError) Timeout() bool

type RemoteSignerError 

type RemoteSignerError struct {
	// TODO(ismail): create an enum of known errors
	Code        int
	Description string
}

RemoteSignerError allows (remote) validators to include meaningful error descriptions in their reply.

func (*RemoteSignerError) Error 

func (e *RemoteSignerError) Error() string

type RemoteSignerLoadBalancer added in v0.0.3 

type RemoteSignerLoadBalancer struct {
	// contains filtered or unexported fields
}

RemoteSignerLoadBalancer load balances incoming requests across multiple listeners.

func NewRemoteSignerLoadBalancer added in v0.0.3 

func NewRemoteSignerLoadBalancer(logger cometlog.Logger, listeners []SignerListener) *RemoteSignerLoadBalancer

func (*RemoteSignerLoadBalancer) SendRequest added in v0.0.3 

func (lb *RemoteSignerLoadBalancer) SendRequest(request privvalproto.Message) (*privvalproto.Message, error)

SendRequest sends a request to the first available listener.

func (*RemoteSignerLoadBalancer) Start added in v0.0.3 

func (lb *RemoteSignerLoadBalancer) Start() error

func (*RemoteSignerLoadBalancer) Stop added in v0.0.3 

func (lb *RemoteSignerLoadBalancer) Stop() error

type SignerListener added in v0.0.3 

type SignerListener struct {
	*SignerListenerEndpoint
	// contains filtered or unexported fields
}

func NewSignerListener added in v0.0.3 

func NewSignerListener(logger cometlog.Logger, address string) SignerListener

func (SignerListener) Close added in v0.0.3 

func (se SignerListener) Close() error

Close closes the underlying net.Conn.

func (SignerListener) DropConnection added in v0.0.3 

func (se SignerListener) DropConnection()

IsConnected indicates if there is an active connection

func (SignerListener) GetAvailableConnection added in v0.0.3 

func (se SignerListener) GetAvailableConnection(connectionAvailableCh chan net.Conn) bool

TryGetConnection retrieves a connection if it is already available

func (SignerListener) IsConnected added in v0.0.3 

func (se SignerListener) IsConnected() bool

IsConnected indicates if there is an active connection

func (SignerListener) ReadMessage added in v0.0.3 

func (se SignerListener) ReadMessage() (msg privvalproto.Message, err error)

ReadMessage reads a message from the endpoint

func (SignerListener) SetConnection added in v0.0.3 

func (se SignerListener) SetConnection(newConnection net.Conn)

SetConnection replaces the current connection object

func (SignerListener) WaitConnection added in v0.0.3 

func (se SignerListener) WaitConnection(connectionAvailableCh chan net.Conn, maxWait time.Duration) error

TryGetConnection retrieves a connection if it is already available

func (SignerListener) WriteMessage added in v0.0.3 

func (se SignerListener) WriteMessage(msg privvalproto.Message) (err error)

WriteMessage writes a message from the endpoint

type SignerListenerEndpoint 

type SignerListenerEndpoint struct {
	// contains filtered or unexported fields
}

SignerListenerEndpoint listens for an external process to dial in and keeps the connection alive by dropping and reconnecting.

The process will send pings every ~3s (read/write timeout * 2/3) to keep the connection alive.

func NewSignerListenerEndpoint 

func NewSignerListenerEndpoint(
	logger log.Logger,
	listener net.Listener,
	options ...SignerListenerEndpointOption,
) *SignerListenerEndpoint

NewSignerListenerEndpoint returns an instance of SignerListenerEndpoint.

func (*SignerListenerEndpoint) Close 

func (se *SignerListenerEndpoint) Close() error

Close closes the underlying net.Conn.

func (*SignerListenerEndpoint) DropConnection 

func (se *SignerListenerEndpoint) DropConnection()

IsConnected indicates if there is an active connection

func (*SignerListenerEndpoint) GetAvailableConnection 

func (se *SignerListenerEndpoint) GetAvailableConnection(connectionAvailableCh chan net.Conn) bool

TryGetConnection retrieves a connection if it is already available

func (*SignerListenerEndpoint) IsConnected 

func (se *SignerListenerEndpoint) IsConnected() bool

IsConnected indicates if there is an active connection

func (*SignerListenerEndpoint) OnStart 

func (sl *SignerListenerEndpoint) OnStart() error

OnStart implements service.Service.

func (*SignerListenerEndpoint) OnStop 

func (sl *SignerListenerEndpoint) OnStop()

OnStop implements service.Service

func (*SignerListenerEndpoint) ReadMessage 

func (se *SignerListenerEndpoint) ReadMessage() (msg privvalproto.Message, err error)

ReadMessage reads a message from the endpoint

func (*SignerListenerEndpoint) SendRequest 

func (sl *SignerListenerEndpoint) SendRequest(request privvalproto.Message) (*privvalproto.Message, error)

SendRequest ensures there is a connection, sends a request and waits for a response

func (*SignerListenerEndpoint) SetConnection 

func (se *SignerListenerEndpoint) SetConnection(newConnection net.Conn)

SetConnection replaces the current connection object

func (*SignerListenerEndpoint) WaitConnection 

func (se *SignerListenerEndpoint) WaitConnection(connectionAvailableCh chan net.Conn, maxWait time.Duration) error

TryGetConnection retrieves a connection if it is already available

func (*SignerListenerEndpoint) WaitForConnection 

func (sl *SignerListenerEndpoint) WaitForConnection(maxWait time.Duration) error

WaitForConnection waits maxWait for a connection or returns a timeout error

func (*SignerListenerEndpoint) WriteMessage 

func (se *SignerListenerEndpoint) WriteMessage(msg privvalproto.Message) (err error)

WriteMessage writes a message from the endpoint

type SignerListenerEndpointOption 

type SignerListenerEndpointOption func(*SignerListenerEndpoint)

SignerListenerEndpointOption sets an optional parameter on the SignerListenerEndpoint.

func SignerListenerEndpointTimeoutReadWrite 

func SignerListenerEndpointTimeoutReadWrite(timeout time.Duration) SignerListenerEndpointOption

SignerListenerEndpointTimeoutReadWrite sets the read and write timeout for connections from external signing processes.

Default: 5s

type TCPListener 

type TCPListener struct {
	*net.TCPListener
	// contains filtered or unexported fields
}

TCPListener wraps a *net.TCPListener to standardize protocol timeouts and potentially other tuning parameters. It also returns encrypted connections.

func NewTCPListener 

func NewTCPListener(ln net.Listener, secretConnKey ed25519.PrivKey) *TCPListener

NewTCPListener returns a listener that accepts authenticated encrypted connections using the given secretConnKey and the default timeout values.

func (*TCPListener) Accept 

func (ln *TCPListener) Accept() (net.Conn, error)

Accept implements net.Listener.

type TCPListenerOption 

type TCPListenerOption func(*TCPListener)

TCPListenerOption sets an optional parameter on the tcpListener.

func TCPListenerTimeoutAccept 

func TCPListenerTimeoutAccept(timeout time.Duration) TCPListenerOption

TCPListenerTimeoutAccept sets the timeout for the listener. A zero time value disables the timeout.

func TCPListenerTimeoutReadWrite 

func TCPListenerTimeoutReadWrite(timeout time.Duration) TCPListenerOption

TCPListenerTimeoutReadWrite sets the read and write timeout for connections from external signing processes.

type UnixListener 

type UnixListener struct {
	*net.UnixListener
	// contains filtered or unexported fields
}

UnixListener wraps a *net.UnixListener to standardize protocol timeouts and potentially other tuning parameters. It returns unencrypted connections.

func NewUnixListener 

func NewUnixListener(ln net.Listener) *UnixListener

NewUnixListener returns a listener that accepts unencrypted connections using the default timeout values.

func (*UnixListener) Accept 

func (ln *UnixListener) Accept() (net.Conn, error)

Accept implements net.Listener.

type UnixListenerOption 

type UnixListenerOption func(*UnixListener)

func UnixListenerTimeoutAccept 

func UnixListenerTimeoutAccept(timeout time.Duration) UnixListenerOption

UnixListenerTimeoutAccept sets the timeout for the listener. A zero time value disables the timeout.

func UnixListenerTimeoutReadWrite 

func UnixListenerTimeoutReadWrite(timeout time.Duration) UnixListenerOption

UnixListenerTimeoutReadWrite sets the read and write timeout for connections from external signing processes.

Source Files

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