/** 启动初始化,他确定网络中有多少个其它UDPBase和相关的信息 */ public void initNet() throws UDPBaseException { try { mainThread = new SoleThread(this); localIP = InetAddress.getLocalHost().getHostAddress(); int i = localIP.lastIndexOf('.'); BROADCAST_ADDR = localIP.substring(0, i) + ".255"; // System.out.println ("lip=="+localIP) ; // sendSocket = new DatagramSocket () ; // recvSocket = new MulticastSocket (RECV_PORT) ; recvSocket = new DatagramSocket(RECV_PORT); sendSocket = recvSocket; // recvAckSocket = new MulticastSocket (RECV_ACK_PORT) ; group = InetAddress.getByName(BROADCAST_ADDR); // recvSocket.joinGroup (group) ; // recvAckSocket.joinGroup (group) ; procMsgThd = new ProcMsgThd(); procMsgThd.start(); // mainThread.start(); } catch (Exception e) { e.printStackTrace(); throw new UDPBaseException("UDPBase init() error=\n" + e.toString()); } }
public void initGroup() throws UDPBaseException { try { mainThread = new SoleThread(this); sendSocket = new DatagramSocket(); recvSocket = new MulticastSocket(RECV_PORT); // recvAckSocket = new MulticastSocket (RECV_ACK_PORT) ; group = InetAddress.getByName(GROUP_BROADCAST_ADDR); ((MulticastSocket) recvSocket).joinGroup(group); // recvAckSocket.joinGroup (group) ; localIP = InetAddress.getLocalHost().getHostAddress(); procMsgThd = new ProcMsgThd(); procMsgThd.start(); // mainThread.start(); bGroup = true; } catch (Exception e) { e.printStackTrace(); throw new UDPBaseException("UDPBase init() error=\n" + e.toString()); } }
public void initVirtual(String virtualip) throws UDPBaseException { if (virtualip == null) { virtualip = "vip:" + System.currentTimeMillis(); } try { mainThread = new SoleThread(this); sendSocket = new DatagramSocket(); recvSocket = new MulticastSocket(RECV_PORT); // recvAckSocket = new MulticastSocket (RECV_ACK_PORT) ; group = InetAddress.getByName(GROUP_BROADCAST_ADDR); ((MulticastSocket) recvSocket).joinGroup(group); // recvAckSocket.joinGroup (group) ; localIP = virtualip; procMsgThd = new ProcMsgThd(); procMsgThd.start(); // mainThread.start(); } catch (Exception e) { e.printStackTrace(); throw new UDPBaseException("UDPBase init() error=\n" + e.toString()); } }