rename client struct to udpConn

udpconn.go

@@ -0,0 +1,48 @@
+package vbantxt
+
+import (
+	"fmt"
+	"net"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// udpConn represents the UDP client
+type udpConn struct {
+	conn *net.UDPConn
+}
+
+// newUDPConn returns a UDP client
+func newUDPConn(host string, port int) (udpConn, error) {
+	udpAddr, err := net.ResolveUDPAddr("udp4", fmt.Sprintf("%s:%d", host, port))
+	if err != nil {
+		return udpConn{}, err
+	}
+	conn, err := net.DialUDP("udp4", nil, udpAddr)
+	if err != nil {
+		return udpConn{}, err
+	}
+	log.Infof("Outgoing address %s", conn.RemoteAddr())
+
+	return udpConn{conn: conn}, nil
+}
+
+// Write implements the io.WriteCloser interface
+func (u udpConn) Write(buf []byte) (int, error) {
+	n, err := u.conn.Write(buf)
+	if err != nil {
+		return 0, err
+	}
+	log.Debugf("Sending '%s' to: %s", string(buf), u.conn.RemoteAddr())
+
+	return n, nil
+}
+
+// Close implements the io.WriteCloser interface
+func (u udpConn) Close() error {
+	err := u.conn.Close()
+	if err != nil {
+		return err
+	}
+	return nil
+}