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代码下载地址 http://note.youdao.com/share/?id=1d28ee946720332255efc72c3e12a0da&type=note
参考 http://blog.csdn.net/u010687392/article/details/44649589
/** * * @className: MainActivity * @description: 手机红外客户端:处理TV请求发射的红外码 * @author: Administrator * @date: 2015年9月6日 上午9:40:13 */ public class MainActivity extends Activity { private TextView mInputText; ServerSocket server = null; Socket socket = null; private TextView mTitleText; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mTitleText = (TextView) findViewById(R.id.title); mInputText = (TextView) findViewById(R.id.msg); initServiceData(); mTitleText.setText("IP:" + getIp()); } private String getIp() { WifiManager wifimanger = (WifiManager) getSystemService(WIFI_SERVICE); WifiInfo wifiinfo = wifimanger.getConnectionInfo(); int i = wifiinfo.getIpAddress(); return (i & 0xFF) + "." + ((i >> 8) & 0xFF) + "." + ((i >> 16) & 0xFF) + "." + (i >> 24 & 0xFF); } private void initServiceData() { new Thread() { @Override public void run() { try { server = new ServerSocket(8888);//创建一个ServerSocket,并让Socket监听8888的端口 // 调用ServerSocket的accept()方法,接受客户端所发送的请求,同时创建一个Socket对象 // 如果客户端没有发送数据,那么该线程就停滞不继续,也就是阻塞 while (true) { socket = server.accept(); System.out.println("主机:" + socket.getInetAddress().getHostName() + ",IP:" + socket.getInetAddress().getHostAddress());//得到当前发送数据Socket对象的主机名和ip地址 //读取客户端的消息 InputStream inputStream = socket.getInputStream(); BufferedInputStream bis = new BufferedInputStream(inputStream); //byte[] b = new byte[inputStream.available()]; byte[] b = new byte[1024 * 2]; int len = -1; final StringBuilder stringBuilder = new StringBuilder(); while ((len = bis.read(b)) != -1) { String msg = new String(b, 0, len, "UTF-8"); System.out.println(msg); stringBuilder.append(msg); break;//一次只能读取2048个自己的请求数据, 当然也可以更加content lenght计算, 然后跳出循环. 注意.这里 read(b) 永远不会是-1 因为读取到输入流末尾之后, socket还是会尝试读取client的数据 } runOnUiThread(new Runnable() { @Override public void run() { HttpRequestParser httpRequestParser = new HttpRequestParser(); try { httpRequestParser.parseRequest(stringBuilder.toString()); mInputText.append(stringBuilder.toString() + "\n=================\n\n"); //mInputText.append(URLDecoder.decode(httpRequestParser.getMessageBody(), "UTF-8")); Log.d("TAG", "params is " + URLDecoder.decode(httpRequestParser.getMessageBody(), "UTF-8")); } catch (IOException e) { e.printStackTrace(); } catch (HttpFormatException e) { e.printStackTrace(); } } }); socket.shutdownInput();//结束读取 //--------向客户端的返回信息------------- OutputStream outputResult = socket.getOutputStream(); StringBuffer sb = new StringBuffer(); sb.append("HTTP/1.1 200 OK\r\n"); sb.append("Host: " + socket.getInetAddress().getHostName() + "\r\n"); sb.append("\r\n"); outputResult.write(sb.toString().getBytes()); outputResult.write("ok,received".getBytes()); outputResult.flush(); bis.close();//关闭缓存输入流,注意,输入流input不需要关闭,因为它只是在Socket中得到输入流对象,并没有创建 socket.close();//接收这个Socket的数据后释放资源,因为每一次客户端发送数据都会在服务端创建一个Socket对象,注意ServerSocket不应该关闭,因为这是服务器ServerSocket对象,关闭了客户端就不能发送数据了 socket = null; } } catch (IOException e) { e.printStackTrace(); } } }.start(); } }
/** * Class for HTTP request parsing as defined by RFC 2612: * * Request = Request-Line ; Section 5.1 (( general-header ; Section 4.5 | * request-header ; Section 5.3 | entity-header ) CRLF) ; Section 7.1 CRLF [ * message-body ] ; Section 4.3 * * @author izelaya * */ public class HttpRequestParser { private String _requestLine; private HashMap<String, String> _requestHeaders; private StringBuffer _messagetBody; public HttpRequestParser() { _requestHeaders = new HashMap<String, String>(); _messagetBody = new StringBuffer(); } /** * Parse and HTTP request. * * @param request * String holding http request. * @throws IOException * If an I/O error occurs reading the input stream. * @throws HttpFormatException * If HTTP Request is malformed */ public void parseRequest(String request) throws IOException, HttpFormatException { if (TextUtils.isEmpty(request)) { return; } BufferedReader reader = new BufferedReader(new StringReader(request)); setRequestLine(reader.readLine()); // Request-Line ; Section 5.1 String header = reader.readLine(); while (header.length() > 0) { appendHeaderParameter(header); header = reader.readLine(); } String bodyLine = reader.readLine(); while (bodyLine != null) { appendMessageBody(bodyLine); bodyLine = reader.readLine(); } } /** * * 5.1 Request-Line The Request-Line begins with a method token, followed by * the Request-URI and the protocol version, and ending with CRLF. The * elements are separated by SP characters. No CR or LF is allowed except in * the final CRLF sequence. * * @return String with Request-Line */ public String getRequestLine() { return _requestLine; } private void setRequestLine(String requestLine) throws HttpFormatException { if (requestLine == null || requestLine.length() == 0) { throw new HttpFormatException("Invalid Request-Line: " + requestLine); } _requestLine = requestLine; } private void appendHeaderParameter(String header) throws HttpFormatException { int idx = header.indexOf(":"); if (idx == -1) { throw new HttpFormatException("Invalid Header Parameter: " + header); } _requestHeaders.put(header.substring(0, idx), header.substring(idx + 1, header.length())); } /** * The message-body (if any) of an HTTP message is used to carry the * entity-body associated with the request or response. The message-body * differs from the entity-body only when a transfer-coding has been * applied, as indicated by the Transfer-Encoding header field (section * 14.41). * * @return String with message-body */ public String getMessageBody() { return _messagetBody.toString(); } private void appendMessageBody(String bodyLine) { _messagetBody.append(bodyLine).append("\r\n"); } /** * For list of available headers refer to sections: 4.5, 5.3, 7.1 of RFC * 2616 * * @param headerName * Name of header * @return String with the value of the header or null if not found. */ public String getHeaderParam(String headerName) { return _requestHeaders.get(headerName); } public class HttpFormatException extends Exception { private static final long serialVersionUID = 1L; public HttpFormatException(String string) {} } }
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原文地址:http://my.oschina.net/sfshine/blog/502455