// handleUpdateUDP listens on conn, parses data into Versions and sends them to `updates` chan.
func handleUpdateUDP(conn net.PacketConn, updates chan<- version.Version) {
for {
b := make([]byte, 2048)
n, addr, err := conn.ReadFrom(b)
if err != nil {
l.Print("ERROR: handleUpdateUDP: ReadFrom:\n ", err)
continue
}
ip := addr.(*net.UDPAddr).IP
v, err := version.ParsePacket(ip.String(), b[:n])
if err != nil {
l.Print("ERROR: handleUpdateUDP: parsePacket:\n ", err,
"\n packet:", string(b[:n]))
continue
}
updates <- v
}
}
func (ss storeServer) ApiUpdate(w http.ResponseWriter, req *http.Request) {
if req.Method != "POST" {
m := "ERROR: ApiUpdate: only accepts POST requests"
sendErrorRes(m, w, http.StatusMethodNotAllowed)
return
}
b, err := ioutil.ReadAll(req.Body)
if handleError(err, "ApiUpdate: ReadAll", w,
http.StatusInternalServerError) {
return
}
host, _, err := net.SplitHostPort(req.RemoteAddr)
if err != nil {
host = ""
}
v, err := version.ParsePacket(host, b)
if err != nil {
handleError(err, "ApiUpdate: parsePacket", w,
http.StatusUnsupportedMediaType)
l.Print("ERROR: packet:", string(b))
return
}
ss.updates <- v
}
