public void addTarget(Target target) {
    // 向targets队列中加入一个任务
    SocketChannel socketChannel = null;
    try {
      socketChannel = SocketChannel.open();
      socketChannel.configureBlocking(false);
      socketChannel.connect(target.address);

      target.channel = socketChannel;
      target.connectStart = System.currentTimeMillis();

      synchronized (targets) {
        targets.add(target);
      }
      selector.wakeup();
    } catch (Exception x) {
      if (socketChannel != null) {
        try {
          socketChannel.close();
        } catch (IOException xx) {
        }
      }
      target.failure = x;
      addFinishedTarget(target);
    }
  }
예제 #2
0
    void add(Target t) {
      SocketChannel sc = null;
      try {

        sc = SocketChannel.open();
        sc.configureBlocking(false);

        boolean connected = sc.connect(t.address);

        t.channel = sc;
        t.connectStart = System.currentTimeMillis();

        if (connected) {
          t.connectFinish = t.connectStart;
          sc.close();
          printer.add(t);
        } else {
          synchronized (pending) {
            pending.add(t);
          }

          sel.wakeup();
        }
      } catch (IOException x) {
        if (sc != null) {
          try {
            sc.close();
          } catch (IOException xx) {
          }
        }
        t.failure = x;
        printer.add(t);
      }
    }
예제 #3
0
    void processPendingTargets() throws IOException {
      synchronized (pending) {
        while (pending.size() > 0) {
          Target t = (Target) pending.removeFirst();
          try {

            t.channel.register(sel, SelectionKey.OP_CONNECT, t);

          } catch (IOException x) {

            t.channel.close();
            t.failure = x;
            printer.add(t);
          }
        }
      }
    }
  public void registerTargets() {
    // 取出targets队列中的任务,向Selector注册连接就绪事件
    synchronized (targets) {
      while (targets.size() > 0) {
        Target target = (Target) targets.removeFirst();

        try {
          target.channel.register(selector, SelectionKey.OP_CONNECT, target);
        } catch (IOException x) {
          try {
            target.channel.close();
          } catch (IOException e) {
            e.printStackTrace();
          }
          target.failure = x;
          addFinishedTarget(target);
        }
      }
    }
  }
  public void processSelectedKeys() throws IOException {
    // 处理连接就绪事件
    for (Iterator it = selector.selectedKeys().iterator(); it.hasNext(); ) {
      SelectionKey selectionKey = (SelectionKey) it.next();
      it.remove();

      Target target = (Target) selectionKey.attachment();
      SocketChannel socketChannel = (SocketChannel) selectionKey.channel();

      try {
        if (socketChannel.finishConnect()) {
          selectionKey.cancel();
          target.connectFinish = System.currentTimeMillis();
          socketChannel.close();
          addFinishedTarget(target);
        }
      } catch (IOException x) {
        socketChannel.close();
        target.failure = x;
        addFinishedTarget(target);
      }
    }
  }
예제 #6
0
    void processSelectedKeys() throws IOException {
      for (Iterator i = sel.selectedKeys().iterator(); i.hasNext(); ) {

        SelectionKey sk = (SelectionKey) i.next();
        i.remove();

        Target t = (Target) sk.attachment();
        SocketChannel sc = (SocketChannel) sk.channel();

        try {
          if (sc.finishConnect()) {
            sk.cancel();
            t.connectFinish = System.currentTimeMillis();
            sc.close();
            printer.add(t);
          }
        } catch (IOException x) {
          sc.close();
          t.failure = x;
          printer.add(t);
        }
      }
    }