storage

type Entry struct {
	Name     string
	Metadata map[string]string
}

type ReadWriteStorage interface {
	ReadableStorage
	WritableStorage
}

type ReadableStorage interface {
	OpenReader(name string) (io.ReadCloser, error)
	List() (<-chan Entry, <-chan error)
}

type WritableStorage interface {
	// OpenWriter opens a writer for a specific audit log/
	OpenWriter(name string) (Writer, error)
	// Shutdown waits until all uploads are complete and then shuts down the storage. If the shutdownContext expires it
	// will wait for all running audit logs to finish, then abort all uploads and exit immediately.
	Shutdown(shutdownContext context.Context)
}

type Writer interface {
	io.WriteCloser

	// SetMetadata Set metadata for the audit log. Will be called multiple times, once when user connects and once when the user
	// authenticates.
	//
	// startTime is the time when the connection started in unix timestamp
	// sourceIp  is the IP address the user connected from
	// username  is the username the user entered. The first time this method is called the username will be nil,
	//           may be called subsequently is the user authenticated.
	SetMetadata(startTime int64, sourceIP string, username *string)
}