public IEnumerable <FastCgiMessage> Transfer(TcpClient target)
{
byte[] buffer = new byte[8192];
NetworkStream requester = Source.GetStream();
NetworkStream responser = target.GetStream();
FastCgiParser sfcp = new FastCgiParser();
FastCgiParser tfcp = new FastCgiParser();
while (true)
{
// 请求数据传递
if (requester.DataAvailable)
{
int count = requester.Read(buffer, 0, buffer.Length);
responser.Write(buffer, 0, count);
sfcp.Gain(buffer, count);
while (true)
{
FastCgiMessage m = sfcp.Pop();
if (m == null)
{
break;
}
yield return(m);
}
}
// 响应数据传递
if (responser.DataAvailable)
{
int count = responser.Read(buffer, 0, buffer.Length);
requester.Write(buffer, 0, count);
tfcp.Gain(buffer, count);
while (true)
{
FastCgiMessage m = tfcp.Pop();
if (m == null)
{
break;
}
yield return(m);
}
}
yield return(null);
}
}
/// <summary>
/// 传输
/// </summary>
public void Transfer()
{
NetworkStream requester = Source.GetStream();
NetworkStream responser = Target.GetStream();
byte[] buffer = new byte[8192];
DateTime begin = DateTime.Now;
FastCgiParser fcms = new FastCgiParser();
FastCgiParser fcmt = new FastCgiParser();
try
{
bool able = true;
while (able)
{
// 转发请求信息。
if (requester.DataAvailable)
{
DateTime start = DateTime.Now;
int count = requester.Read(buffer, 0, buffer.Length);
responser.Write(buffer, 0, count);
fcms.Gain(buffer, count);
while (true)
{
FastCgiMessage m = fcms.Pop();
if (m == null)
{
break;
}
if (m.Header.Type == FastCgiType.AbortRequest)
{
able = false;
}
if (m.Header.Type == FastCgiType.BeginRequest)
{
FastCgiBeginRequestBody body = m.AsBeginBody();
"{0} => {1}".Log(m, body);
}
else
{
m.ToString().Log();
}
}
}
// 接收响应内容。
if (responser.DataAvailable)
{
DateTime start = DateTime.Now;
int count = responser.Read(buffer, 0, buffer.Length);
requester.Write(buffer, 0, count);
fcmt.Gain(buffer, count);
// 分析 FastCGI
while (true)
{
FastCgiMessage m = fcmt.Pop();
if (m == null)
{
break;
}
if (m.Header.Type == FastCgiType.EndRequest)
{
able = false;
FastCgiEndRequestBody body = m.AsEndBody();
"{0} => {1}".Log(m, body);
}
else
{
m.ToString().Log();
}
}
}
}
}
finally
{
TimeSpan d = DateTime.Now.Subtract(begin);
"转发耗时 {0:N} ms".Log(d.TotalMilliseconds);
// 结束时回收资源。
requester.Dispose();
responser.Dispose();
}
}
