Exemplo n.º 1
0
Arquivo: http.go Projeto: Gwill/etcd
func (h *leaseHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
		return
	}

	b, err := ioutil.ReadAll(r.Body)
	if err != nil {
		http.Error(w, "error reading body", http.StatusBadRequest)
		return
	}

	lreq := pb.LeaseKeepAliveRequest{}
	if err := lreq.Unmarshal(b); err != nil {
		http.Error(w, "error unmarshalling request", http.StatusBadRequest)
		return
	}

	ttl, err := h.l.Renew(LeaseID(lreq.ID))
	if err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}

	// TODO: fill out ResponseHeader
	resp := &pb.LeaseKeepAliveResponse{ID: lreq.ID, TTL: ttl}
	v, err := resp.Marshal()
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "application/protobuf")
	w.Write(v)
}
Exemplo n.º 2
0
func (h *leaseHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
		return
	}

	b, err := ioutil.ReadAll(r.Body)
	if err != nil {
		http.Error(w, "error reading body", http.StatusBadRequest)
		return
	}

	var v []byte
	switch r.URL.Path {
	case LeasePrefix:
		lreq := pb.LeaseKeepAliveRequest{}
		if err := lreq.Unmarshal(b); err != nil {
			http.Error(w, "error unmarshalling request", http.StatusBadRequest)
			return
		}
		ttl, err := h.l.Renew(lease.LeaseID(lreq.ID))
		if err != nil {
			if err == lease.ErrLeaseNotFound {
				http.Error(w, err.Error(), http.StatusNotFound)
				return
			}

			http.Error(w, err.Error(), http.StatusBadRequest)
			return
		}
		// TODO: fill out ResponseHeader
		resp := &pb.LeaseKeepAliveResponse{ID: lreq.ID, TTL: ttl}
		v, err = resp.Marshal()
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}

	case LeaseInternalPrefix:
		lreq := leasepb.LeaseInternalRequest{}
		if err := lreq.Unmarshal(b); err != nil {
			http.Error(w, "error unmarshalling request", http.StatusBadRequest)
			return
		}

		l := h.l.Lookup(lease.LeaseID(lreq.LeaseTimeToLiveRequest.ID))
		if l == nil {
			http.Error(w, lease.ErrLeaseNotFound.Error(), http.StatusNotFound)
			return
		}
		// TODO: fill out ResponseHeader
		resp := &leasepb.LeaseInternalResponse{
			LeaseTimeToLiveResponse: &pb.LeaseTimeToLiveResponse{
				Header:     &pb.ResponseHeader{},
				ID:         lreq.LeaseTimeToLiveRequest.ID,
				TTL:        int64(l.Remaining().Seconds()),
				GrantedTTL: l.TTL(),
			},
		}
		if lreq.LeaseTimeToLiveRequest.Keys {
			ks := l.Keys()
			kbs := make([][]byte, len(ks))
			for i := range ks {
				kbs[i] = []byte(ks[i])
			}
			resp.LeaseTimeToLiveResponse.Keys = kbs
		}

		v, err = resp.Marshal()
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}

	default:
		http.Error(w, fmt.Sprintf("unknown request path %q", r.URL.Path), http.StatusBadRequest)
		return
	}

	w.Header().Set("Content-Type", "application/protobuf")
	w.Write(v)
}