func startNode(id uint64, peers []raft.Peer, iface iface) *node {
st := raft.NewMemoryStorage()
c := &raft.Config{
ID: id,
ElectionTick: 10,
HeartbeatTick: 1,
Storage: st,
MaxSizePerMsg: 1024 * 1024,
MaxInflightMsgs: 256,
}
rn := raft.StartNode(c, peers)
n := &node{
Node: rn,
id: id,
storage: st,
iface: iface,
pausec: make(chan bool),
}
n.start()
return n
}
func startNode(cfg *ServerConfig, cl *cluster, ids []types.ID) (id types.ID, n raft.Node, s *raftStorage, w *wal.WAL) {
var err error
member := cl.MemberByName(cfg.Name)
metadata := pbutil.MustMarshal(
&pb.Metadata{
NodeID: uint64(member.ID),
ClusterID: uint64(cl.ID()),
},
)
if err := os.MkdirAll(cfg.SnapDir(), privateDirMode); err != nil {
plog.Fatalf("create snapshot directory error: %v", err)
}
if w, err = wal.Create(cfg.WALDir(), metadata); err != nil {
plog.Fatalf("create wal error: %v", err)
}
peers := make([]raft.Peer, len(ids))
for i, id := range ids {
ctx, err := json.Marshal((*cl).Member(id))
if err != nil {
plog.Panicf("marshal member should never fail: %v", err)
}
peers[i] = raft.Peer{ID: uint64(id), Context: ctx}
}
id = member.ID
plog.Infof("starting member %s in cluster %s", id, cl.ID())
s = newRaftStorage()
c := &raft.Config{
ID: uint64(id),
ElectionTick: cfg.ElectionTicks,
HeartbeatTick: 1,
Storage: s,
MaxSizePerMsg: maxSizePerMsg,
MaxInflightMsgs: maxInflightMsgs,
}
n = raft.StartNode(c, peers)
raftStatus = n.Status
advanceTicksForElection(n, c.ElectionTick)
return
}