// serveWrite receives incoming series data and writes it to the database.
func (h *Handler) serveWrite(w http.ResponseWriter, r *http.Request, user *influxdb.User) {
var br batchWrite
dec := json.NewDecoder(r.Body)
var writeError = func(result influxdb.Result, statusCode int) {
w.WriteHeader(statusCode)
w.Header().Add("content-type", "application/json")
_ = json.NewEncoder(w).Encode(&result)
return
}
for {
if err := dec.Decode(&br); err != nil {
if err.Error() == "EOF" {
w.WriteHeader(http.StatusOK)
return
}
writeError(influxdb.Result{Err: err}, http.StatusInternalServerError)
return
}
if br.Database == "" {
writeError(influxdb.Result{Err: fmt.Errorf("database is required")}, http.StatusInternalServerError)
return
}
if !h.server.DatabaseExists(br.Database) {
writeError(influxdb.Result{Err: fmt.Errorf("database not found: %q", br.Database)}, http.StatusNotFound)
return
}
if h.requireAuthentication && !user.Authorize(influxql.WritePrivilege, br.Database) {
writeError(influxdb.Result{Err: fmt.Errorf("%q user is not authorized to write to database %q", user.Name, br.Database)}, http.StatusUnauthorized)
return
}
for _, p := range br.Points {
if p.Timestamp.IsZero() {
p.Timestamp = br.Timestamp
}
if len(br.Tags) > 0 {
for k, _ := range br.Tags {
if p.Tags[k] == "" {
p.Tags[k] = br.Tags[k]
}
}
}
if _, err := h.server.WriteSeries(br.Database, br.RetentionPolicy, []influxdb.Point{p}); err != nil {
writeError(influxdb.Result{Err: err}, http.StatusInternalServerError)
return
}
}
}
}
// serveWrite receives incoming series data and writes it to the database.
func (h *Handler) serveWrite(w http.ResponseWriter, r *http.Request, user *influxdb.User) {
var bp client.BatchPoints
var dec *json.Decoder
if h.WriteTrace {
b, err := ioutil.ReadAll(r.Body)
if err != nil {
h.Logger.Print("write handler failed to read bytes from request body")
} else {
h.Logger.Printf("write body received by handler: %s", string(b))
}
dec = json.NewDecoder(strings.NewReader(string(b)))
} else {
dec = json.NewDecoder(r.Body)
defer r.Body.Close()
}
var writeError = func(result influxdb.Result, statusCode int) {
w.WriteHeader(statusCode)
w.Header().Add("content-type", "application/json")
_ = json.NewEncoder(w).Encode(&result)
return
}
if err := dec.Decode(&bp); err != nil {
if err.Error() == "EOF" {
w.WriteHeader(http.StatusOK)
return
}
writeError(influxdb.Result{Err: err}, http.StatusInternalServerError)
return
}
if bp.Database == "" {
writeError(influxdb.Result{Err: fmt.Errorf("database is required")}, http.StatusInternalServerError)
return
}
if !h.server.DatabaseExists(bp.Database) {
writeError(influxdb.Result{Err: fmt.Errorf("database not found: %q", bp.Database)}, http.StatusNotFound)
return
}
if h.requireAuthentication && user == nil {
writeError(influxdb.Result{Err: fmt.Errorf("user is required to write to database %q", bp.Database)}, http.StatusUnauthorized)
return
}
if h.requireAuthentication && !user.Authorize(influxql.WritePrivilege, bp.Database) {
writeError(influxdb.Result{Err: fmt.Errorf("%q user is not authorized to write to database %q", user.Name, bp.Database)}, http.StatusUnauthorized)
return
}
points, err := influxdb.NormalizeBatchPoints(bp)
if err != nil {
writeError(influxdb.Result{Err: err}, http.StatusInternalServerError)
return
}
if index, err := h.server.WriteSeries(bp.Database, bp.RetentionPolicy, points); err != nil {
writeError(influxdb.Result{Err: err}, http.StatusInternalServerError)
return
} else {
w.Header().Add("X-InfluxDB-Index", fmt.Sprintf("%d", index))
}
}