/// <summary>
/// send quit command to server and close socket
/// </summary>
/// <param name="sock">the JavaSocket object</param>
public static void closeSocket(JavaSocket sock)
{
byte[] header;
header = packHeader(FDFS_PROTO_CMD_QUIT, 0, 0);
sock.GetStream().Write(header, 0, header.Length);
sock.Close();
}
/// <summary>
/// send ACTIVE_TEST command to server, test if network is ok and the server is alive
/// </summary>
/// <param name="sock">the JavaSocket object</param>
public static bool activeTest(JavaSocket sock)
{
byte[] header;
header = packHeader(FDFS_PROTO_CMD_ACTIVE_TEST, 0, 0);
sock.GetStream().Write(header, 0, header.Length);
RecvHeaderInfo headerInfo = recvHeader(sock.GetStream(), TRACKER_PROTO_CMD_RESP, 0);
return(headerInfo.errno == 0 ? true : false);
}
/// <summary>
/// construct JavaSocket object
/// </summary>
/// <param name="ip_addr">ip address or hostname</param>
/// <param name="port">port number</param>
/// <returns> connected JavaSocket object</returns>
public static JavaSocket getSocket(string ip_addr, int port)
{
JavaSocket sock = new JavaSocket();
sock.SetReuseAddress(true);
sock.SendTimeout = g_network_timeout;
sock.Connect(ip_addr, port);
return(sock);
}
/// <summary>
/// connect to server
/// </summary>
/// <returns> connected JavaSocket object</returns>
public JavaSocket connect()
{
JavaSocket sock = new JavaSocket();
sock.SetReuseAddress(true);
sock.setSoTimeout(ClientGlobal.g_network_timeout);
sock.Connect(new InetSocketAddress(ip_addr, port), ClientGlobal.g_connect_timeout);
return(sock);
}
/**
* force close socket,
*/
public void closeDirectly()
{
if (this.sock != null)
{
try
{
ProtoCommon.closeSocket(this.sock);
}
finally
{
this.sock = null;
}
}
}
/// <summary>
/// create from InetSocketAddress
/// </summary>
/// <param name="socketAddress"></param>
/// <returns></returns>
public static Connection create(InetSocketAddress socketAddress)
{
try
{
JavaSocket sock = new JavaSocket();
sock.SetReuseAddress(true);
sock.setSoTimeout(ClientGlobal.g_network_timeout);
sock.Connect(socketAddress, ClientGlobal.g_connect_timeout);
return(new Connection(sock, socketAddress));
}
catch (Exception e)
{
throw new MyException("connect to server " + socketAddress.Address + ":" + socketAddress.Port + " fail, emsg:" + e.Message);
}
}
public Connection(JavaSocket sock, InetSocketAddress inetSockAddr)
{
this.sock = sock;
this.inetSockAddr = inetSockAddr;
}