1. Socket
Siverlight for Windows Phone
Silverlight in⼤大 #19
(Microsoft MVP for Windows Phone)

2. ⾃自⼰己
•
•
– iPhone / Android
– Windows Phone
–
• EbIRC (WM5/6)
• ZEROProxy (WM5/6)
• Giraffe (WM5/6)
• SongTweeter (WP7)

3. •
⽤用 ⽤用
• ⻄西 ⽉月
• ⼟土
⼤大 ⼤大
–
–
–

4. • Windows Phone “Mango” Socket
• Windows Mobile 6.x
.NET Compact Framework
– ⾮非
• ⽻羽⽬目
• Socket

5. • .NET Fx Silverlight Socket
•
–
–
•

6. .NET Fx Silverlight Socket
• .NET Fx Silverlight for Windows Phone
System.Net.Socket
•
• Silverlight Socket
– NetworkStream
• StreamReader
• ⼿手
– SslStream
SSL ( )

7. .NET Framework Socket
public IAsyncResult BeginReceive(byte[ ] buffer, int offset, int size, SocketFlags
socketFlags, out SocketError errorCode, AsyncCallback callback, object state)
Begin- / End- IAsyncResult

8. Silverlight for WP Socket
public bool ReceiveAsync(SocketAsyncEventArgs e)
( ) 2 EventArgs ⾮非
⾮非 ⼊入 true

9. •
– Socket
•
•
• ⼊入
– .NET Framework
⾚赤

10. • .NET Framework
m_socket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
m_connectAsync = m_socket.BeginConnect(remoteEndPoint,
new AsyncCallback(OnConnected), m_socket);
protected void OnConnected(IAsyncResult ar)
{
try
{
//
// ( EndConnect SocketException )
Socket socket = (Socket)ar.AsyncState;
socket.EndConnect(ar);
IAsyncResult

11. • Silverlight for Windows Phone
SocketAsyncEventArgs eargs = new SocketAsyncEventArgs();
eargs.RemoteEndPoint = remoteEndPoint;
eargs.Completed +=
new EventHandler<SocketAsyncEventArgs>(ConnectCompleted);
m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream,
ProtocolType.Tcp); EventArgs
if (!m_socket.ConnectAsync(eargs))
{
//
ConnectCompleted(m_socket, eargs);
}
⾃自

12. • .NET Framework
m_stream = new NetworkStream(socket);
m_reader = new StreamReader(m_stream, this.Encoding);
while (true)
{
string line =m_reader.ReadLine();
-- --
}
NetworkStream
StreamReader 1 ⾏行行

13. • Silverlight for Windows Phone
m_receiveBuffer = new byte[2048];
SocketAsyncEventArgs e = new SocketAsyncEventArgs();
e.SetBuffer(m_receiveBuffer, 0, m_receiveBuffer.Length);
e.Completed +=
new EventHandler<SocketAsyncEventArgs>(ReceiveCompleted);
m_socket.ReceiveAsync(e);
⾃自

14. • Silverlight for Windows Phone
void ReceiveCompleted(object sender, SocketAsyncEventArgs e)
{
if (e.SocketError == SocketError.Success)
{
if (e.BytesTransferred > 0)
{ ⾃自
// snip ⾃自
}
if (!m_sendLoopStop)
Receive();
⾃自 BeginReceive
}
else
{
ProcessSocketError(e.SocketError);
}
}

15. • .NET Compact Framework
•
–
– ⽕火
•
–
• DnsEndPoint
–
– (Control.Invoke/
Dispatcher.Invoke)

16. Demo
•

17. • Socket
– Background Agent ⾏行行
• Socket ⽤用
– IRC
• IRC
• IRC Toast
• iOS4 Long-time Task ⾔言
• UX
– ⾃自
– ⼀一 (pirc )