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change heartbeattimeout to electiontimeout

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This commit is contained in:
Ivan7702 2013-09-02 19:54:46 -04:00
parent fec65d8717
commit 8eaa9500e9
3 changed files with 35 additions and 40 deletions
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7
raft_server.go
View File

@ -30,7 +30,7 @@ var r *raftServer
func newRaftServer(name string, url string, listenHost string, tlsConf *TLSConfig, tlsInfo *TLSInfo) *raftServer {
// Create transporter for raft
raftTransporter := newTransporter(tlsConf.Scheme, tlsConf.Client, raft.DefaultElectionTimeout)
raftTransporter := newTransporter(tlsConf.Scheme, tlsConf.Client, ElectionTimeout)
// Create raft server
server, err := raft.NewServer(name, dirPath, raftTransporter, etcdStore, nil)
@ -169,7 +169,7 @@ func (r *raftServer) startTransport(scheme string, tlsConf tls.Config) {
// getVersion fetches the raft version of a peer. This works for now but we
// will need to do something more sophisticated later when we allow mixed
// version clusters.
func getVersion(t transporter, versionURL url.URL) (string, error) {
func getVersion(t *transporter, versionURL url.URL) (string, error) {
resp, err := t.Get(versionURL.String())
if err != nil {
@ -198,6 +198,7 @@ func joinCluster(cluster []string) bool {
if _, ok := err.(etcdErr.Error); ok {
fatal(err)
}
debugf("cannot join to cluster via machine %s %s", machine, err)
}
}
@ -209,7 +210,7 @@ func joinByMachine(s *raft.Server, machine string, scheme string) error {
var b bytes.Buffer
// t must be ok
t, _ := r.Transporter().(transporter)
t, _ := r.Transporter().(*transporter)
// Our version must match the leaders version
versionURL := url.URL{Host: machine, Scheme: scheme, Path: "/version"}

67
transporter.go
View File

@ -18,10 +18,16 @@ type transporter struct {
timeout time.Duration
}
// response struct
type transporterResponse struct {
resp *http.Response
err error
}
// Create transporter using by raft server
// Create http or https transporter based on
// whether the user give the server cert and key
func newTransporter(scheme string, tlsConf tls.Config, timeout time.Duration) transporter {
func newTransporter(scheme string, tlsConf tls.Config, timeout time.Duration) *transporter {
t := transporter{}
tr := &http.Transport{
@ -36,7 +42,7 @@ func newTransporter(scheme string, tlsConf tls.Config, timeout time.Duration) tr
t.client = &http.Client{Transport: tr}
t.timeout = timeout
return t
return &t
}
// Dial with timeout
@ -45,7 +51,7 @@ func dialTimeout(network, addr string) (net.Conn, error) {
}
// Sends AppendEntries RPCs to a peer when the server is the leader.
func (t transporter) SendAppendEntriesRequest(server *raft.Server, peer *raft.Peer, req *raft.AppendEntriesRequest) *raft.AppendEntriesResponse {
func (t *transporter) SendAppendEntriesRequest(server *raft.Server, peer *raft.Peer, req *raft.AppendEntriesRequest) *raft.AppendEntriesResponse {
var aersp *raft.AppendEntriesResponse
var b bytes.Buffer
json.NewEncoder(&b).Encode(req)
@ -72,7 +78,7 @@ func (t transporter) SendAppendEntriesRequest(server *raft.Server, peer *raft.Pe
}
// Sends RequestVote RPCs to a peer when the server is the candidate.
func (t transporter) SendVoteRequest(server *raft.Server, peer *raft.Peer, req *raft.RequestVoteRequest) *raft.RequestVoteResponse {
func (t *transporter) SendVoteRequest(server *raft.Server, peer *raft.Peer, req *raft.RequestVoteRequest) *raft.RequestVoteResponse {
var rvrsp *raft.RequestVoteResponse
var b bytes.Buffer
json.NewEncoder(&b).Encode(req)
@ -98,7 +104,7 @@ func (t transporter) SendVoteRequest(server *raft.Server, peer *raft.Peer, req *
}
// Sends SnapshotRequest RPCs to a peer when the server is the candidate.
func (t transporter) SendSnapshotRequest(server *raft.Server, peer *raft.Peer, req *raft.SnapshotRequest) *raft.SnapshotResponse {
func (t *transporter) SendSnapshotRequest(server *raft.Server, peer *raft.Peer, req *raft.SnapshotRequest) *raft.SnapshotResponse {
var aersp *raft.SnapshotResponse
var b bytes.Buffer
json.NewEncoder(&b).Encode(req)
@ -126,7 +132,7 @@ func (t transporter) SendSnapshotRequest(server *raft.Server, peer *raft.Peer, r
}
// Sends SnapshotRecoveryRequest RPCs to a peer when the server is the candidate.
func (t transporter) SendSnapshotRecoveryRequest(server *raft.Server, peer *raft.Peer, req *raft.SnapshotRecoveryRequest) *raft.SnapshotRecoveryResponse {
func (t *transporter) SendSnapshotRecoveryRequest(server *raft.Server, peer *raft.Peer, req *raft.SnapshotRecoveryRequest) *raft.SnapshotRecoveryResponse {
var aersp *raft.SnapshotRecoveryResponse
var b bytes.Buffer
json.NewEncoder(&b).Encode(req)
@ -153,41 +159,35 @@ func (t transporter) SendSnapshotRecoveryRequest(server *raft.Server, peer *raft
}
// Send server side POST request
func (t transporter) Post(path string, body io.Reader) (*http.Response, error) {
postChan := make(chan interface{}, 1)
func (t *transporter) Post(path string, body io.Reader) (*http.Response, error) {
c := make(chan *transporterResponse, 1)
go func() {
resp, err := t.client.Post(path, "application/json", body)
if err == nil {
postChan <- resp
} else {
postChan <- err
}
tr := new(transporterResponse)
tr.resp, tr.err = t.client.Post(path, "application/json", body)
c <-tr
}()
return t.waitResponse(postChan)
return t.waitResponse(c)
}
// Send server side GET request
func (t transporter) Get(path string) (*http.Response, error) {
getChan := make(chan interface{}, 1)
func (t *transporter) Get(path string) (*http.Response, error) {
c := make(chan *transporterResponse, 1)
go func() {
resp, err := t.client.Get(path)
if err == nil {
getChan <- resp
} else {
getChan <- err
}
tr := new(transporterResponse)
tr.resp, tr.err = t.client.Get(path)
c <-tr
}()
return t.waitResponse(getChan)
return t.waitResponse(c)
}
func (t transporter) waitResponse(responseChan chan interface{}) (*http.Response, error) {
func (t *transporter) waitResponse(responseChan chan *transporterResponse) (*http.Response, error) {
timeoutChan := time.After(t.timeout)
@ -195,17 +195,10 @@ func (t transporter) waitResponse(responseChan chan interface{}) (*http.Response
case <-timeoutChan:
return nil, fmt.Errorf("Wait Response Timeout: %v", t.timeout)
case r := <-responseChan:
switch r := r.(type) {
case error:
return nil, r
case *http.Response:
return r, nil
}
case r:= <-responseChan:
return r.resp, r.err
}
// for complier
return nil, nil
}
}

1
transporter_test.go
View File

@ -12,6 +12,7 @@ func TestTransporterTimeout(t *testing.T) {
ts := newTransporter("http", conf, time.Second)
ts.Get("http://google.com")
_, err := ts.Get("http://google.com:9999") // it doesn't exisit
if err == nil || err.Error() != "Wait Response Timeout: 1s" {
t.Fatal("timeout error: ", err.Error( ))