// Sets the value of the characteristic
// The implementation makes sure that the type of the value stays the same
// E.g. Type of characteristic value int, calling setValue("10.5") sets the value to int(10)
//
// When permissions are write only, this methods does not set the Value field.
func (c *Characteristic) setValue(value interface{}, conn net.Conn) {
if c.Value != nil {
converted, err := to.Convert(value, reflect.TypeOf(c.Value).Kind())
if err == nil {
value = converted
}
}
// Ignore when new value is same
if c.Value == value {
return
}
// Ignore new values from remote when permissions don't allow write
if c.hasWritePermissions() == false && conn != nil {
return
}
old := c.Value
if c.isWriteOnly() == false {
c.Value = value
} else {
c.Value = nil
}
if conn != nil {
c.onConnChange(c.connChangeFuncs, conn, value, old)
} else {
c.onChange(c.localChangeFuncs, value, old)
}
}
// Sets the value of the characteristic
// The implementation makes sure that the type of the value stays the same
// E.g. Type of characteristic value int, calling updateValue("10.5") sets the value to int(10)
//
// When permissions are write only, this methods does not set the Value field.
func (c *Characteristic) updateValue(value interface{}, conn net.Conn) {
if c.Value != nil {
if converted, err := to.Convert(value, reflect.TypeOf(c.Value).Kind()); err == nil {
value = converted
}
}
// Value must be within min and max
switch c.Format {
case FormatFloat:
value = c.boundFloat64Value(value.(float64))
case FormatUInt8, FormatUInt16, FormatUInt32, FormatUInt64, FormatInt32:
value = c.boundIntValue(value.(int))
}
// Ignore when new value is same
if c.Value == value {
return
}
// Ignore new values from remote when permissions don't allow write
if c.hasWritePerms() == false && conn != nil {
return
}
old := c.Value
if c.isWriteOnly() == false {
c.Value = value
} else {
c.Value = nil
}
if conn != nil {
c.onValueUpdateFromConn(c.connValueUpdateFuncs, conn, value, old)
} else {
c.onValueUpdate(c.valueChangeFuncs, value, old)
}
}
