private void ClientHandler(Socket client)
{
string clientIpAddress = client.RemoteEndPoint.ToString();
if (OnClientConnected != null)
{
ClientConnectedEventArgs args = new ClientConnectedEventArgs(clientIpAddress, DateTime.Now);
OnClientConnected(this, args);
}
byte[] buff = new byte[1024];
byte[] tempBuff;
int bytesReaded;
MemoryStream receivedBytesBuffer = new MemoryStream();
try
{
#region 從Client socket 讀取資料流
while ((bytesReaded = client.Receive(buff, buff.Length, SocketFlags.None)) > 0)
{
tempBuff = new byte[bytesReaded];
Array.Copy(buff, tempBuff, bytesReaded);
for (int i = 0, n = tempBuff.Length; i < n; i++)
{
if ((char)tempBuff[i] != Protocol.MessageDelimiter)
{
receivedBytesBuffer.WriteByte(tempBuff[i]);
}
else
{
byte[] dataBytes = receivedBytesBuffer.ToArray();
object recvObject = dataParser.Parse(dataBytes);
if (!(recvObject is Bye))
{
if (recvObject is string)
{
if (OnMessageReceived != null)
{
OnMessageReceived(this, recvObject as string, client);
}
}
else
{
if (OnDataReceived != null)
{
OnDataReceived(this, recvObject, client);
}
}
}
else
{
// 從Data Source Client 端收到準備離線訊息
client.Send(Protocol.Bye);
client.Shutdown(SocketShutdown.Send);
}
receivedBytesBuffer.Close();
receivedBytesBuffer.Dispose();
receivedBytesBuffer = new MemoryStream();
}
}
}
#endregion
client.Shutdown(SocketShutdown.Receive);
}
catch (Exception e)
{
#region Client Handler 例外處理
if (OnException != null)
{
if (e is SocketException)
{
if (!Protocol.IsIgnorableSocketError((e as SocketException).ErrorCode))
{
OnException(this, new Exception("Client Handler 發生" + e.GetType().Name + ": " + e.Message + ", Client IP 為 " + clientIpAddress));
}
}
else
{
OnException(this, new Exception("Client Handler 發生" + e.GetType().Name + ": " + e.Message + ", Client IP 為 " + clientIpAddress));
}
}
#endregion
client.Shutdown(SocketShutdown.Both);
}
finally
{
client.Close();
lock (synclock)
{
clientsList.Remove(client);
}
}
// 通知ClientDisconnected 事件
if (OnClientDisconnected != null)
{
ClientDisconnectedEventArgs args = new ClientDisconnectedEventArgs(clientIpAddress, DateTime.Now);
OnClientDisconnected(this, args);
}
}
private void ConnectToServer()
{
byte[] buff = new byte[128];
byte[] tempBuff;
int bytesReaded;
MemoryStream receivedBytesBuffer;
BinaryFormatter bf = new BinaryFormatter();
try
{
// 連線到InfoServer
dataServerConnection.Connect(serverHost, serverPort);
stopped = false;
// 觸發OnConnected 事件
if (OnConnected != null)
{
OnConnected(serverHost, serverPort);
}
receivedBytesBuffer = new MemoryStream();
while ((bytesReaded = dataServerConnection.Receive(buff, buff.Length, SocketFlags.None)) > 0)
{
tempBuff = new byte[bytesReaded];
Array.Copy(buff, tempBuff, bytesReaded);
for (int i = 0, n = tempBuff.Length; i < n; i++)
{
if ((char)tempBuff[i] != Protocol.MessageDelimiter)
{
receivedBytesBuffer.WriteByte(tempBuff[i]);
continue;
}
byte[] dataBytes = receivedBytesBuffer.ToArray();
object recvObject = dataParser.Parse(dataBytes);
if (!(recvObject is Bye))
{
if (recvObject is string)
{
if (OnMessageReceived != null)
{
OnMessageReceived(this, recvObject as string, dataServerConnection);
}
}
else
{
if (OnDataReceived != null)
{
OnDataReceived(this, recvObject, dataServerConnection);
}
}
}
else
{
// 收到伺服器送來的結束訊息，則終止傳送資料
dataServerConnection.Shutdown(SocketShutdown.Send);
}
receivedBytesBuffer.Close();
receivedBytesBuffer = new MemoryStream();
}
}
}
catch (Exception e)
{
if (OnException != null)
{
if (e is SocketException)
{
SocketException se = e as SocketException;
if (!Protocol.IsIgnorableSocketError(se.ErrorCode))
{
OnException(this, e);
}
}
else
{
OnException(this, e);
}
}
}
finally
{
if (dataServerConnection != null)
{
dataServerConnection.Close();
dataServerConnection = null;
if (OnDisconnected != null)
{
OnDisconnected(serverHost, serverPort);
}
}
}
}
