func (ss *cohortStorageServer) RegisterServer(args *storagerpc.RegisterArgs, reply *storagerpc.RegisterReply) error {
// Node not yet seen by MasterServer
ss.rw.Lock()
if _, ok := ss.exists[args.ServerInfo.NodeId]; !ok {
ss.exists[args.ServerInfo.NodeId] = true
ss.servers = append(ss.servers, args.ServerInfo)
}
if len(ss.servers) < ss.numNodes {
ss.rw.Unlock()
reply.Status = storagerpc.NotReady
return nil
}
/// sort the nodes by nodeID starting from lowest
nodeSorter := func(n1, n2 *storagerpc.Node) bool {
return n1.NodeId < n2.NodeId
}
By(nodeSorter).Sort(ss.servers)
ss.rw.Unlock()
reply.Status = storagerpc.OK
reply.Servers = ss.servers
return nil
}
