public static ErrorCode ReadHeader(string message, out MessageType type, out long id)
{
type = MessageType.unknown;
id = -1;
StringReader reader = new StringReader(message);
string strType = reader.ReadLine();
if (string.IsNullOrEmpty(strType) || !strType.StartsWith("type: "))
{
return(ErrorCode.MessageFormatInvalid);
}
try
{
strType = strType.Substring(strType.IndexOf(": ") + 2);
type = (MessageType)Enum.Parse(typeof(MessageType), strType);
}
catch (Exception)
{
return(ErrorCode.MessageTypeNotSupported);
}
string strId = reader.ReadLine();
if (string.IsNullOrEmpty(strId) || !strId.StartsWith("id: "))
{
return(ErrorCode.None);
}
if (!long.TryParse(strId.Substring(strId.IndexOf(": ") + 2), out id))
{
return(ErrorCode.MessageFieldConversionFailed);
}
string strCode = reader.ReadLine();
if (string.IsNullOrEmpty(strCode) || !strCode.StartsWith("code: "))
{
return(ErrorCode.None);
}
uint code;
if (!uint.TryParse(strCode.Substring(strCode.IndexOf(": ") + 2), out code))
{
return(ErrorCode.MessageFieldConversionFailed);
}
return((ErrorCode)code);
}
public static void WriteHeader(StringWriter writer, MessageType type, long id = -1, ErrorCode?code = null)
{
writer.NewLine = "\n";
writer.Write("type: {0}", type);
if (id != -1)
{
writer.WriteLine();
writer.Write("id: {0}", id);
}
if (code != null)
{
writer.WriteLine();
writer.Write("code: {0:D}", code);
}
}