init peerStats in transportation.go; avoid nil pointer due to restart from snapshot(we do not keep stats in persistentlayer yet)

command.go

@@ -170,10 +170,6 @@ func (c *JoinCommand) Apply(raftServer *raft.Server) (interface{}, error) {
 	value := fmt.Sprintf("raft=%s&etcd=%s&raftVersion=%s", c.RaftURL, c.EtcdURL, c.RaftVersion)
 	etcdStore.Set(key, value, time.Unix(0, 0), raftServer.CommitIndex())
 
-	if c.Name != r.Name() {
-		r.peersStats[c.Name] = &raftPeerStats{MinLatency: 1 << 63}
-	}
-
 	return b, err
 }
 

transporter.go

@@ -68,6 +68,11 @@ func (t *transporter) SendAppendEntriesRequest(server *raft.Server, peer *raft.P
 
 	thisPeerStats, ok := r.peersStats[peer.Name]
 
+	if !ok { // we first see this peer
+		thisPeerStats = &raftPeerStats{MinLatency: 1 << 63}
+		r.peersStats[peer.Name] = thisPeerStats
+	}
+
 	start := time.Now()
 
 	resp, err := t.Post(fmt.Sprintf("%s/log/append", u), &b)
@@ -85,8 +90,6 @@ func (t *transporter) SendAppendEntriesRequest(server *raft.Server, peer *raft.P
 		}
 	}
 
-	r.peersStats[peer.Name] = thisPeerStats
-
 	if resp != nil {
 		defer resp.Body.Close()
 		aersp = &raft.AppendEntriesResponse{}
@@ -211,7 +214,7 @@ func (t *transporter) Get(path string) (*http.Response, error) {
 
 func (t *transporter) waitResponse(responseChan chan *transporterResponse) (*http.Response, error) {
 
-	timeoutChan := time.After(t.timeout)
+	timeoutChan := time.After(t.timeout * 10)
 
 	select {
 	case <-timeoutChan: