add communicator api

communicator/model.go

@@ -0,0 +1,36 @@
+package communicator
+
+import "fmt"
+
+type configItem interface {
+	setVal (interface{}) error
+	getVal () interface{}
+}
+
+type throwPacketRateConfig struct {
+	name string
+	value float64
+}
+
+func newThrowPacketRateConfig() (tpr *throwPacketRateConfig) {
+	tpr = &throwPacketRateConfig{
+		name: THROW_PACKET_RATE,
+		value: 0.0,
+	}
+	return
+}
+
+func (tc *throwPacketRateConfig) setVal (val interface{}) (err error){
+	realVal, ok := val.(float64)
+	if !ok {
+		err = fmt.Errorf("cannot reansform val: %v to float64", val)
+		return
+	}
+
+	tc.value = realVal
+	return
+}
+
+func (tc *throwPacketRateConfig) getVal () (val interface{}){
+	return tc.value
+}