/// <summary> /// 处理信息，并返回响应 /// </summary> /// <param name="context"></param> /// <returns></returns> public abstract string ProcessContext(HttpListenContext context);
/// <summary>
/// This method is invoked when an asynchronous receive operation completes.
/// If the remote host closed the connection, then the socket is closed.
/// If data was received then the data is echoed back to the client.
/// </summary>
/// <param name="e"></param>
private void ProcessReceive(SocketAsyncEventArgs e)
{
try
{
// check if the remote host closed the connection
var token = ((HttpListenUserToken)e.UserToken);
Logger.Warning(string.Format("IP:{0} SocketError:{1} BufOffsize:{2} BufCount:{3} Transfer:{4}", e.RemoteEndPoint, e.SocketError, e.Offset, e.Count, e.BytesTransferred));
if (e.SocketError == SocketError.Success)
{
#region 数据接收处理
if (e.BytesTransferred > 0)
{
if (token.Data == null)
{
token.Data = new byte[_maxPageSize];
}
int count = Math.Min(_maxPageSize - token.DataLength, e.BytesTransferred);
Buffer.BlockCopy(e.Buffer, e.Offset, token.Data, token.DataLength, count);
token.DataLength += count;
}
#endregion
//if (hasFinished)
//{
#region 数据发送
//解析数据
string recContent = token.Data != null
? _encoding.GetString(token.Data, 0, token.DataLength)
: string.Empty;
HttpListenContext context = null;
if (token.DataLength > 0)
{
context = new HttpListenContext(recContent); //把收到的文件夹解析成thhp包头，内容竺信息
}
string data;
if (context != null && context.IsValidContext &&
(context.HttpMethod == "GET" || context.HttpMethod == "POST"))
{
try
{
data = SuccessResponse(ProcessContext(context)); //ProcessContext得到要发送至设备的数据,并且发送给设备
}
catch (Exception exception)
{
data = SuccessResponse(ToJsonMessage(exception.Message));
Logger.Error(exception, "HttpListen Error");
}
}
else if (context == null)
{
data = SuccessResponse(ToJsonMessage("无效数据!"));
Logger.Error("HttpListenContext不能为空");
}
else
{
Logger.Error("HttpListenContext无效");
data = SuccessResponse(ToJsonMessage("无效数据!"));
}
var buf = _encoding.GetBytes(data);
token.IsReset = true;
_mBufferManager.FreeBuffer(e);
e.SetBuffer(buf, 0, buf.Length);
// read the next block of data send from the client
bool willRaiseEvent = token.ClientSocket.SendAsync(e);
if (!willRaiseEvent)
{
ProcessSend(e);
}
#endregion
//}
}
}
catch (Exception ex)
{
Logger.Log(LogLevel.Error, ex.StackTrace.ToString(), ex);
CloseClientSocket(e);
}
finally
{
if (e.SocketError == SocketError.SocketError)
{
CloseClientSocket(e);
}
}
}
