selfcare init

proxy_go/public/go-telnet@v0.0.0-20180421082511-9ff0b2ab096e/echo_handler.go

@@ -0,0 +1,33 @@
+package telnet
+
+
+import (
+	"github.com/reiver/go-oi"
+)
+
+
+// EchoHandler is a simple TELNET server which "echos" back to the client any (non-command)
+// data back to the TELNET client, it received from the TELNET client.
+var EchoHandler Handler = internalEchoHandler{}
+
+
+type internalEchoHandler struct{}
+
+
+func (handler internalEchoHandler) ServeTELNET(ctx Context, w Writer, r Reader) {
+
+	var buffer [1]byte // Seems like the length of the buffer needs to be small, otherwise will have to wait for buffer to fill up.
+	p := buffer[:]
+
+	for {
+		n, err := r.Read(p)
+
+		if n > 0 {
+			oi.LongWrite(w, p[:n])
+		}
+
+		if nil != err {
+			break
+		}
+	}
+}