[英]XmlSerializer.Deserialize blocks over NetworkStream
我正在嘗試通過網絡流發送XML可序列化的對象。
我已經在UDP廣播服務器上使用過此服務器,該服務器從本地網絡接收UDP消息。 這是服務器端的一個片段:
while (mServiceStopFlag == false) {
if (mSocket.Available > 0) {
IPEndPoint ipEndPoint = new IPEndPoint(IPAddress.Any, DiscoveryPort); byte[] bData;
// Receive discovery message
bData = mSocket.Receive(ref ipEndPoint);
// Handle discovery message
HandleDiscoveryMessage(ipEndPoint.Address, bData);
...
相反,這是客戶端:
IPEndPoint ipEndPoint = new IPEndPoint(IPAddress.Broadcast, DiscoveryPort);
MemoryStream mStream = new MemoryStream();
byte[] bData;
// Create broadcast UDP server
mSocket = new UdpClient();
mSocket.EnableBroadcast = true;
// Create datagram data
foreach (NetService s in ctx.Services)
XmlHelper.SerializeClass<NetService>(mStream, s);
bData = mStream.GetBuffer();
// Notify the services
while (mServiceStopFlag == false) {
mSocket.Send(bData, (int)mStream.Length, ipEndPoint);
Thread.Sleep(DefaultServiceLatency);
}
它工作得很好。
但是現在我試圖在TcpClient
套接字上獲得相同的結果,但是直接使用XMLSerializer
實例:
在服務器端:
TcpClient sSocket = k.Key;
ServiceContext sContext = k.Value;
Message msg = new Message();
while (sSocket.Connected == true) {
if (sSocket.Available > 0) {
StreamReader tr = new StreamReader(sSocket.GetStream());
msg = (Message)mXmlSerialize.Deserialize(tr);
// Handle message
msg = sContext.Handler(msg);
// Reply with another message
if (msg != null)
mXmlSerialize.Serialize(sSocket.GetStream(), msg);
} else
Thread.Sleep(40);
}
在客戶端:
NetworkStream mSocketStream;
Message rMessage;
// Network stream
mSocketStream = mSocket.GetStream();
// Send the message
mXmlSerialize.Serialize(mSocketStream, msg);
// Receive the answer
rMessage = (Message)mXmlSerialize.Deserialize(mSocketStream);
return (rMessage);
已發送數據(Available屬性大於0),但是方法XmlSerialize.Deserialize
(應對Message類進行反序列化)會阻塞。
我想念什么?
當然,因為序列化程序繼續讀取NetworkStream
,並且在封裝主要end元素時它不會結束。
為了獲得想要的結果,必須使用MemoryStream
,當讀取最后一個字節時,它會通知流的結尾。
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