func eventToPbEvent(event *Event) (*proto.Event, error) {
var e proto.Event
if event.Host == "" {
event.Host, _ = os.Hostname()
}
t := reflect.ValueOf(&e).Elem()
s := reflect.ValueOf(event).Elem()
typeOfEvent := s.Type()
for i := 0; i < s.NumField(); i++ {
f := s.Field(i)
value := reflect.ValueOf(f.Interface())
if reflect.Zero(f.Type()) != value && f.Interface() != nil {
name := typeOfEvent.Field(i).Name
switch name {
case "State", "Service", "Host", "Description":
tmp := reflect.ValueOf(pb.String(value.String()))
t.FieldByName(name).Set(tmp)
case "Ttl":
tmp := reflect.ValueOf(pb.Float32(float32(value.Float())))
t.FieldByName(name).Set(tmp)
case "Time":
tmp := reflect.ValueOf(pb.Int64(value.Int()))
t.FieldByName(name).Set(tmp)
case "Tags":
tmp := reflect.ValueOf(value.Interface().([]string))
t.FieldByName(name).Set(tmp)
case "Metric":
switch reflect.TypeOf(f.Interface()).Kind() {
case reflect.Int:
tmp := reflect.ValueOf(pb.Int64(int64(value.Int())))
t.FieldByName("MetricSint64").Set(tmp)
case reflect.Float32:
tmp := reflect.ValueOf(pb.Float32(float32(value.Float())))
t.FieldByName("MetricF").Set(tmp)
case reflect.Float64:
tmp := reflect.ValueOf(pb.Float64(value.Float()))
t.FieldByName("MetricD").Set(tmp)
default:
return nil, fmt.Errorf("Metric of invalid type (type %v)",
reflect.TypeOf(f.Interface()).Kind())
}
case "Attributes":
var attrs []*proto.Attribute
for k, v := range value.Interface().(map[string]string) {
// Copy k,v so we can take
// pointers to the new
// temporaries
k_, v_ := k, v
attrs = append(attrs, &proto.Attribute{
Key: &k_,
Value: &v_,
})
}
t.FieldByName(name).Set(reflect.ValueOf(attrs))
}
}
}
return &e, nil
}
GroupField: proto.Int32(6),
},
RepBytes: [][]byte{[]byte("sham"), []byte("wow")},
},
},
// Check that a scalar bytes field replaces rather than appends.
{
src: &pb.OtherMessage{Value: []byte("foo")},
dst: &pb.OtherMessage{Value: []byte("bar")},
want: &pb.OtherMessage{Value: []byte("foo")},
},
{
src: &pb.MessageWithMap{
NameMapping: map[int32]string{6: "Nigel"},
MsgMapping: map[int64]*pb.FloatingPoint{
0x4001: &pb.FloatingPoint{F: proto.Float64(2.0)},
},
ByteMapping: map[bool][]byte{true: []byte("wowsa")},
},
dst: &pb.MessageWithMap{
NameMapping: map[int32]string{
6: "Bruce", // should be overwritten
7: "Andrew",
},
},
want: &pb.MessageWithMap{
NameMapping: map[int32]string{
6: "Nigel",
7: "Andrew",
},
MsgMapping: map[int64]*pb.FloatingPoint{