/// <summary>发送数据流</summary>
/// <param name="udp"></param>
/// <param name="stream"></param>
/// <param name="remoteEP"></param>
/// <returns>返回自身，用于链式写法</returns>
public static IUdp Send(this IUdp udp, Stream stream, EndPoint remoteEP = null)
{
Int64 total = 0;
//var size = stream.CanSeek ? stream.Length - stream.Position : udp.BufferSize;
var size = 1472;
Byte[] buffer = new Byte[size];
while (true)
{
Int32 n = stream.Read(buffer, 0, buffer.Length);
if (n <= 0)
{
break;
}
udp.Send(buffer, 0, n, remoteEP);
total += n;
if (n < buffer.Length)
{
break;
}
}
return(udp);
}
/// <summary>向指定目的地发送信息</summary>
/// <param name="udp"></param>
/// <param name="message"></param>
/// <param name="encoding"></param>
/// <param name="remoteEP"></param>
/// <returns>返回自身，用于链式写法</returns>
public static IUdp Send(this IUdp udp, String message, Encoding encoding = null, EndPoint remoteEP = null)
{
//Send(udp, Encoding.UTF8.GetBytes(message), remoteEP);
if (encoding == null)
{
Send(udp, Encoding.UTF8.GetBytes(message), remoteEP);
}
else
{
Send(udp, encoding.GetBytes(message), remoteEP);
}
return(udp);
}
/// <summary>接收字符串</summary>
/// <param name="udp"></param>
/// <param name="encoding"></param>
/// <returns></returns>
public static String ReceiveString(this IUdp udp, Encoding encoding = null)
{
Byte[] buffer = udp.Receive();
if (buffer == null || buffer.Length < 1)
{
return(null);
}
if (encoding == null)
{
encoding = Encoding.UTF8;
}
return(encoding.GetString(buffer));
}
/// <summary>向指定目的地发送信息</summary>
/// <param name="udp"></param>
/// <param name="buffer">缓冲区</param>
/// <param name="remoteEP"></param>
/// <returns>返回自身，用于链式写法</returns>
public static IUdp Send(this IUdp udp, Byte[] buffer, EndPoint remoteEP = null)
{
udp.Send(buffer, 0, buffer.Length, remoteEP); return(udp);
}
