package handshake // This package uses unsafe to convert between: // * qtls.ConnectionState and tls.ConnectionState // * qtls.ClientSessionState and tls.ClientSessionState // We check in init() that this conversion actually is safe. import ( "crypto/tls" "reflect" "github.com/marten-seemann/qtls" ) func init() { if !structsEqual(&tls.ConnectionState{}, &qtls.ConnectionState{}) { panic("qtls.ConnectionState not compatible with tls.ConnectionState") } if !structsEqual(&tls.ClientSessionState{}, &qtls.ClientSessionState{}) { panic("qtls.ClientSessionState not compatible with tls.ClientSessionState") } } func structsEqual(a, b interface{}) bool { sa := reflect.ValueOf(a).Elem() sb := reflect.ValueOf(b).Elem() if sa.NumField() != sb.NumField() { return false } for i := 0; i < sa.NumField(); i++ { fa := sa.Type().Field(i) fb := sb.Type().Field(i) if !reflect.DeepEqual(fa.Index, fb.Index) || fa.Name != fb.Name || fa.Anonymous != fb.Anonymous || fa.Offset != fb.Offset || !reflect.DeepEqual(fa.Type, fb.Type) { return false } } return true }