[英]UWP, how to read ALL data from StreamSocket
我正在嘗試在C#中為UWP實現XMPP客戶端並實現這一點我正在使用StreamSocket
進行TCP
連接。
問題是,對於握手和SASL auth
我需要服務器從客戶端“寫入和讀取”序列,沒有延遲我無法讀取服務器發送的所有數據; 我想刪除延遲部分。
這是我的代碼:
// Start handshake
await XmppWrite("<?xml version='1.0'?><stream:stream to='" + serverHostName.Domain + "' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>");
var responseStream = await XmppRead();
SaslPlain saslPlain = new SaslPlain(Username, Password);
responseStream = null;
String xml = null;
while (!saslPlain.IsCompleted && (xml = saslPlain.GetNextXml(responseStream)) != null)
{
await XmppWrite(xml);
responseStream = await XmppRead();
}
if (!saslPlain.IsSuccess) return;
// Request bind
await XmppWrite("<?xml version='1.0'?><stream:stream to='" + serverHostName.Domain + "' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>");
responseStream = await XmppRead();
// Bind
await XmppWrite("<iq id='" + GenerateId() + "' type='set'><bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'/></iq>");
responseStream = await XmppRead();
if (responseStream.Jid == null) return;
Jid = responseStream.Jid;
// Open session
await XmppWrite("<iq id='" + GenerateId() + "' type='set'><session xmlns='urn:ietf:params:xml:ns:xmpp-session'/></iq>");
responseStream = await XmppRead();
XmppRead()方法是這樣的:
private async Task<XmppStream> XmppRead()
{
await Task.Delay(100); // Things don't works without this...
var x = await dataReader.LoadAsync(BUFFER_SIZE);
if (dataReader.UnconsumedBufferLength > 0)
{
Debug.WriteLine(x + ", " + dataReader.UnconsumedBufferLength);
var stream = new XmppStream(dataReader.ReadString(dataReader.UnconsumedBufferLength));
if (stream.IsError)
{
if (Error != null)
{
Error(this, new XmppClientEventArgs(stream));
}
throw new Exception(stream.Error);
}
return stream;
}
return new XmppStream();
}
所以,我認為問題是我嘗試在服務器完成之前讀取所有數據,因此我只能讀取部分消息。 如何檢查是否有其他數據沒有阻止?
謝謝。
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