/// <summary>
/// 从形如IP:端口号的字符串中返回一个EndPoint实例
/// </summary>
/// <param name="ipAndPort"></param>
/// <returns></returns>
public static MessageIPAndPort GetEndPointFromString(string ipAndPort)
{
MessageIPAndPort result = new MessageIPAndPort();
var split = ipAndPort.Split(':');
if (split.Length != 2)
{
result.Invalid = true;
}
else
{
IPAddress.TryParse(split[0], out var address);
int.TryParse(split[1], out var port);
if (address != null && (port > 0 && port <= 65535))
{
result.IP = address.ToString();
result.Port = port;
result.Invalid = false;
}
else
{
result.Invalid = true;
}
}
return(result);
}
/// <summary>
/// 根据当前客户端种类构建消息
/// </summary>
/// <param name="data"></param>
/// <param name="messageIPAndPort"></param>
/// <returns></returns>
public byte[] InitMessageForForward(byte[] data, MessageIPAndPort messageIPAndPort)
{
string message = "";
byte[] dataResult = null;
if (SelfType == SessionType.Client)
{
// 构建头
message += StaticResources.ClientHeaderLine + "\r\n";
}
if (SelfType == SessionType.Server)
{
// 构建头
message += StaticResources.ServerHeaderLine + "\r\n";
}
message += "IP:";
message += String.IsNullOrEmpty(messageIPAndPort.IP) ? StaticResources.SuccessMessageIP : messageIPAndPort.IP + ":" + messageIPAndPort.Port;
message += "\r\n";
message += "Content-Length:" + data.Length;
message += "\r\n";
message += "\r\n";
dataResult = Encoding.UTF8.GetBytes(message);
var suffix = Encoding.UTF8.GetBytes("\r\n");
dataResult = dataResult.Concat(data).Concat(suffix).ToArray();
return(dataResult);
}
