Question

我通过WebSockets实现Autobahn与服务器的连接。当我点击连接时，它会正确打开套接字并记录该套接字是否已打开。然后我尝试向服务器发送一个简单{"request":"getSoftwareVersion"}的请求，当服务器收到这个请求时，它应该在JSON对象中发回软件版本，麻烦的是，onMessage永远不会被命中。这是我的代码：

public class AutoBahnConnectRequest extends Request{
    private static WebSocketConnection mAutoBahnConnection;
    private String mSocketHostAddress;
    private final static String m_TAG = AutoBahnConnectRequest.class.getSimpleName();

    public AutoBahnConnectRequest(String SocketHostAddress){
        this.mAutoBahnConnection = new WebSocketConnection();
        this.mSocketHostAddress = SocketHostAddress;
    }

    @Override
    protected Void doInBackground(Void... params){
        try {
            mAutoBahnConnection.connect(mSocketHostAddress, new WebSocketHandler(){

                @Override
                public void onOpen() {
                    String requestSoftware = "{\"request\":\"getSoftwareVersion\"}";
                    Log.i(m_TAG, requestSoftware);
                    Log.i(m_TAG, "Status: Connected to " + mSocketHostAddress);
                    mAutoBahnConnection.sendTextMessage(requestSoftware);
                }

                @Override
                public void onTextMessage(String payload) {
                    Log.i(m_TAG, "Got echo: " + payload);
                }

                @Override
                public void onClose(int code, String reason) {
                    Log.i(m_TAG, "Connection lost."+ reason);
                }
            });
        } catch (WebSocketException e) {
            Log.d(m_TAG, e.toString());
        }
        return null;
    }
}

这已经通过像这样的html客户端实现（不是使用高速公路）：

function getSoftwareVersion() {
    socket_di.send('{"request":"getSoftwareVersion"}');
}

并且onMessage接收数据。有人可以告诉我，如果我在这里做错了吗？

谢谢。

Answer 1

我已经弄明白了我的问题。 WebSocket连接需要添加协议和选项。所以我改变了这个：

mAutoBahnConnection.connect(mSocketHostAddress, new WebSocketHandler(){

                @Override
                public void onOpen() {
                    String requestSoftware = "{\"request\":\"getSoftwareVersion\"}";
                    Log.i(m_TAG, requestSoftware);
                    Log.i(m_TAG, "Status: Connected to " + mSocketHostAddress);
                    mAutoBahnConnection.sendTextMessage(requestSoftware);
                }

                @Override
                public void onTextMessage(String payload) {
                    Log.i(m_TAG, "Got echo: " + payload);
                }

                @Override
                public void onClose(int code, String reason) {
                    Log.i(m_TAG, "Connection lost."+ reason);
                }
            });
        } catch (WebSocketException e) {
            Log.d(m_TAG, e.toString());
        }

到此：

 mAutoBahnConnection.connect(mSocketHostAddress,new String[]{"this is my protocol"} ,new WebSocketHandler(){

                @Override
                public void onOpen() {
                    String requestSoftware = "{\"request\":\"getSoftwareVersion\"}";
                    Log.i(m_TAG, requestSoftware);
                    Log.i(m_TAG, "Status: Connected to " + mSocketHostAddress);
                    mAutoBahnConnection.sendTextMessage(requestSoftware);
                }

                @Override
                public void onTextMessage(String payload) {
                    Log.i(m_TAG, "Got echo: " + payload);
                }

                @Override
                public void onRawTextMessage(byte[] payload) {
                    try {
                        rawText = new String(payload, "UTF-8");
                        Log.i(m_TAG, "ON RAW TEXT");
                    } catch (UnsupportedEncodingException e) {
                        e.printStackTrace();
                    }
                }

                @Override
                public void onBinaryMessage(byte[] payload) {
                    Log.i(m_TAG, "ON BINARY MESSAGE");
                }


                @Override
                public void onClose(int code, String reason) {
                    Log.i(m_TAG, "Connection lost."+ reason);
                }
            }, options);
        } catch (WebSocketException e) {
            Log.d(m_TAG, e.toString());
        }

使用Autobahn进行WebSocket通信，而不是从服务器接收

1 个答案: