bump(github.com/benbjohnson/go-raft): d46748244f1f1830a002b8f645342426c5d73e81

third_party/github.com/benbjohnson/go-raft/append_entries_response.go

@@ -0,0 +1,70 @@
+package raft
+
+import (
+	"code.google.com/p/goprotobuf/proto"
+	"github.com/benbjohnson/go-raft/protobuf"
+	"io"
+	"io/ioutil"
+)
+
+// The response returned from a server appending entries to the log.
+type AppendEntriesResponse struct {
+	Term uint64
+	// the current index of the server
+	Index       uint64
+	Success     bool
+	CommitIndex uint64
+	peer        string
+	append      bool
+}
+
+// Creates a new AppendEntries response.
+func newAppendEntriesResponse(term uint64, success bool, index uint64, commitIndex uint64) *AppendEntriesResponse {
+	return &AppendEntriesResponse{
+		Term:        term,
+		Success:     success,
+		Index:       index,
+		CommitIndex: commitIndex,
+	}
+}
+
+// Encodes the AppendEntriesResponse to a buffer. Returns the number of bytes
+// written and any error that may have occurred.
+func (resp *AppendEntriesResponse) encode(w io.Writer) (int, error) {
+	pb := &protobuf.ProtoAppendEntriesResponse{
+		Term:        proto.Uint64(resp.Term),
+		Index:       proto.Uint64(resp.Index),
+		CommitIndex: proto.Uint64(resp.CommitIndex),
+		Success:     proto.Bool(resp.Success),
+	}
+	p, err := proto.Marshal(pb)
+	if err != nil {
+		return -1, err
+	}
+
+	return w.Write(p)
+}
+
+// Decodes the AppendEntriesResponse from a buffer. Returns the number of bytes read and
+// any error that occurs.
+func (resp *AppendEntriesResponse) decode(r io.Reader) (int, error) {
+	data, err := ioutil.ReadAll(r)
+
+	if err != nil {
+		return -1, err
+	}
+
+	totalBytes := len(data)
+
+	pb := &protobuf.ProtoAppendEntriesResponse{}
+	if err := proto.Unmarshal(data, pb); err != nil {
+		return -1, err
+	}
+
+	resp.Term = pb.GetTerm()
+	resp.Index = pb.GetIndex()
+	resp.CommitIndex = pb.GetCommitIndex()
+	resp.Success = pb.GetSuccess()
+
+	return totalBytes, nil
+}