Unity3d socket和java socket通信

Unity3D客户端：namespace LSocket.Net { /** *  * @author feng侠,qq:313785443 * @date 2010-12-23 * */    // 描   述：封装c# socket数据传输协议   using UnityEngine; using System; using System.Net.Sockets; using System.Net; using System.Collections; using System.Text; using LSocket.Type; using LSocket.cmd;     public class UnitySocket     {         public static Socket mSocket = null;                public UnitySocket()         {                      } public static void SocketConnection(string LocalIP, int LocalPort) { mSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);             try             {                  IPAddress ip = IPAddress.Parse(LocalIP);                 IPEndPoint ipe = new IPEndPoint(ip, LocalPort);                mSocket.Connect(ipe);  Send("<!policy-file-request>");//the second connect.if it's not equals policy head,it will come in the main connect! Send(CommandID.LOGIN); Send("feng");  string s=ReceiveString(100);//从服务器端接受返回信息 MonoBehaviour.print(s.Length); MonoBehaviour.print(s);             }             catch (Exception e)             {                 //ErrLog.RecordErr(e, ModuleName, "AsySocket", "");             } }  public static void Send(short data) { byte[] longth=TypeConvert.getBytes(data,false); mSocket.Send(longth);  }  public static void Send(long data) { byte[] longth=TypeConvert.getBytes(data,false); mSocket.Send(longth);  }  public static void Send(int data) { byte[] longth=TypeConvert.getBytes(data,false); mSocket.Send(longth);  }  public static void Send(string data) { byte[] longth=Encoding.UTF8.GetBytes(data); mSocket.Send(longth);  }  public static short ReceiveShort() {  byte[] recvBytes = new byte[2];              mSocket.Receive(recvBytes,2,0);//从服务器端接受返回信息  short data=TypeConvert.getShort(recvBytes,true);  return data; }  public static int ReceiveInt() {  byte[] recvBytes = new byte[4];              mSocket.Receive(recvBytes,4,0);//从服务器端接受返回信息  int data=TypeConvert.getInt(recvBytes,true);  return data; }  public static long ReceiveLong() {  byte[] recvBytes = new byte[8];              mSocket.Receive(recvBytes,8,0);//从服务器端接受返回信息  long data=TypeConvert.getLong(recvBytes,true); return data; }  public static string ReceiveString(int length) {  byte[] recvBytes = new byte[length];              mSocket.Receive(recvBytes,length,0);//从服务器端接受返回信息  string data=Encoding.UTF8.GetString(recvBytes);  return data; }   } } namespace LSocket.cmd { public class CommandID { /** 错误消息命令 **/ public static int ERROR = 1000; /** 登陆消息命令 **/ public static  int LOGIN = 1001; /** 退出消息命令 **/ public static  int EXIT = 1002; /** 获取pdb文件消息命令 **/ public static  int GETPDB= 1003; public static  int GETPDB_AGAIN = 1006; /** 其他用户进入消息命令 **/ public static  int OTHER_USERS = 1004;  public static  int ACCEPT=1005; public CommandID() { } } }namespace LSocket.Type{using UnityEngine;using System.Collections;public class TypeConvert {public TypeConvert(){}public  static byte[] getBytes(short s, bool asc){    byte[] buf = new byte[2];    if (asc)     {    for (int i = buf.Length - 1; i >= 0; i--)     {            buf[i] = (byte) (s & 0x00ff);        s >>= 8;     }    }    else    {      for (int i = 0; i < buf.Length; i++)     {           buf[i] = (byte) (s & 0x00ff);        s >>= 8;    }    }    return buf;}public static byte[] getBytes(int s, bool asc) {    byte[] buf = new byte[4];    if (asc)      for (int i = buf.Length - 1; i >= 0; i--) {        buf[i] = (byte) (s & 0x000000ff);        s >>= 8;      }    else      for (int i = 0; i < buf.Length; i++) {        buf[i] = (byte) (s & 0x000000ff);        s >>= 8;      }    return buf; }public static byte[] getBytes(long s, bool asc) {    byte[] buf = new byte[8];    if (asc)    for (int i = buf.Length - 1; i >= 0; i--) {        buf[i] = (byte) (s & 0x00000000000000ff);        s >>= 8;    }    else    for (int i = 0; i < buf.Length; i++) {        buf[i] = (byte) (s & 0x00000000000000ff);        s >>= 8;    }    return buf; }  public  static short getShort(byte[] buf, bool asc) {    if (buf == null) {      //throw new IllegalArgumentException("byte array is null!");    }    if (buf.Length > 2) {      //throw new IllegalArgumentException("byte array size > 2 !");    }    short r = 0;    if (asc)      for (int i = buf.Length - 1; i >= 0; i--) {        r <<= 8;        r |= (short)(buf[i] & 0x00ff);      }    else      for (int i = 0; i < buf.Length; i++) {        r <<= 8;        r |= (short)(buf[i] & 0x00ff);      }    return r;  }  public  static int getInt(byte[] buf, bool asc) {    if (buf == null) {     // throw new IllegalArgumentException("byte array is null!");    }    if (buf.Length > 4) {      //throw new IllegalArgumentException("byte array size > 4 !");    }    int r = 0;    if (asc)      for (int i = buf.Length - 1; i >= 0; i--) {        r <<= 8;        r |= (buf[i] & 0x000000ff);      }    else      for (int i = 0; i < buf.Length; i++) {        r <<= 8;        r |= (buf[i] & 0x000000ff);      }    return r;  }  public static long getLong(byte[] buf, bool asc) {    if (buf == null) {      //throw new IllegalArgumentException("byte array is null!");    }    if (buf.Length > 8) {      //throw new IllegalArgumentException("byte array size > 8 !");    }    long r = 0;    if (asc)      for (int i = buf.Length - 1; i >= 0; i--) {        r <<= 8;        r |= (buf[i] & 0x00000000000000ff);      }    else      for (int i = 0; i < buf.Length; i++) {        r <<= 8;        r |= (buf[i] & 0x00000000000000ff);      }    return r;  }}}Java服务器端:package com.unity.socket;import java.io.BufferedReader;import java.io.ByteArrayOutputStream;import java.io.DataOutputStream;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.ServerSocket;import java.net.Socket;import java.util.HashMap;/** *  * @author feng侠 * @date 2010-12-23 * */public class ByteSocketServer{//存放所有用户位置的mapprivate HashMap<String,User> userMap;private ByteArrayOutputStream byteOutput;private DataOutputStream output;public ByteSocketServer(){userMap = new HashMap<String, User>();}/** * @param args */public static void main(String[] args){new ByteSocketServer().startServer();}public void startServer(){try{ServerSocket serverSocket = new ServerSocket(843);System.out.println("服务器开启");//LoadPDB loadPDB=new LoadPDB();while(true){//新建一个连接Socket socket = serverSocket.accept();System.out.println("有用户登陆进来了");//启动一条新的线程//new UserThreadHandler(socket,userMap).start();//byte[] b=new byte[22];BufferedReader br=new BufferedReader(new InputStreamReader(socket.getInputStream()));      //  PrintWriter pw=new PrintWriter(socket.getOutputStream());        byteOutput = new ByteArrayOutputStream();output = new DataOutputStream(byteOutput);      char[] by=new char[22];        br.read(by,0,22);        String head=new String(by);    //String scmd=new String(by);//System.out.println("命令号字符串:" + scmd+"ok"); if(head.equals("<policy-file-request/>")) {   output.writeBytes(SecurityXML.GetXml()+"\0"); DataOutputStream dataOutput = new DataOutputStream(socket.getOutputStream());//编写数据的长度//dataOutput.writeLong(bytes.length);System.out.print(head);dataOutput.write(byteOutput.toByteArray());dataOutput.flush();socket.close();   //  pw.write(SecurityXML.GetXml()+"\0");       //  pw.flush();      }else{new LoadPDB(socket,userMap).start();}}}catch (Exception e){System.out.println("服务器出现异常！" + e);}}}package com.unity.socket;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.ByteArrayOutputStream;import java.io.DataOutputStream;import java.io.File;import java.io.FileOutputStream;import java.io.FileReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.Socket;import java.net.URL;import java.net.URLConnection;import java.util.Iterator;import java.io.ByteArrayOutputStream;import java.io.DataInputStream;import java.io.DataOutputStream;import java.net.Socket;import java.util.HashMap;import java.util.Iterator;import com.pdb.AnalyzePDB;import com.unity.socket.type.ConvertType; public class LoadPDB extends Thread{/** 错误消息命令 **/public static final int ERROR = 1000;/** 登陆消息命令 **/public static final int LOGIN = 1001;/** 退出消息命令 **/public static final intEXIT = 1002;/**获取pdb文件消息命令 **/public static final intGETFILE = 1003;/** 其他用户进入消息命令 **/public static final int OTHER_USERS = 1004;public static final int           ACCEPT=1005;private Socket socket;//存放所有用户位置的mapprivate HashMap<String,User> userMap;private User user;private ByteArrayOutputStream byteOutput;private DataOutputStream output; int count=0;private  boolean first=true;public LoadPDB(Socket socket,HashMap<String,User> userMap) throws IOException{this.socket = socket;this.userMap = userMap;}public void run(){try{DataInputStream input = new DataInputStream(socket.getInputStream());//这里就是解析协议的部分while(true){//读出开头长度的short（2个字节）int cmd=0;byte[] b=new byte[4];input.read(b);//String cmd=new String(b);cmd=ConvertType.getInt(b,true);System.out.println("命令号:" + cmd);//根据cmd的值不同，判断后续的内容是什么switch(cmd){case LOGIN://读取用户名System.out.println("读取用户名:" );byte[] nameBytes=new byte[4];input.read(nameBytes);String userName = new String(nameBytes);user = new User();user.setName(userName);user.setSocket(socket);//判断该用户是否存在if(userMap.containsKey(userName)){//用户名重复，发送回客户端}else{System.out.println("有新用户进入:" + userName);userMap.put(userName, user);initOutput();String sReturn="It's ok to connect to server!";byte[] bb=sReturn.getBytes();output.write(bb, 0, bb.length);sendMessage(socket,byteOutput.toByteArray());}break;case GETFILE://获取分子文件//String name= input.readUTF();   initOutput();//读出len之后，接着是读取short类型的cmd（2个字节）byte[] bb=new byte[4];input.read(bb);int type=ConvertType.getInt(bb, true); System.out.println(type);if(type==0){byte[] bid=new byte[4];input.read(bid);String sid=new String(bid);  System.out.println("enter!");// System.out.print(bis.); File file=new File("d:/pdb/"+sid+".pdb"); if(!file.exists()){  URL url=new URL("http://www.pdb.org/pdb/download/downloadFile.do?fileFormat=pdb&compression=NO&structureId="+sid);    URLConnection urlconn = url.openConnection(); //      HttpURLConnection httpconn = (HttpURLConnection)urlconn;      System.out.print(httpconn.HTTP_OK);//InputStream in=url.openStream(); //InputStreamReader reader=new InputStreamReader(in);      BufferedInputStream bis=new BufferedInputStream(urlconn.getInputStream());  int s; BufferedOutputStream bos=new BufferedOutputStream(new FileOutputStream(file));  String str = ""; while((s=bis.read())!=-1) { // str=str+Integer.toString(s); bos.write(s);// System.out.print(s); // System.out.print(s); } System.out.print("ok"); bos.flush(); bos.close(); bis.close();}           int number=AnalyzePDB.getAtoms(file);//count++;//int number=AnalyzePDB.alist.size();byte[] bNumber=ConvertType.getBytes(number, false);//System.out.print( bNumber.length);//  System.out.println("why?");//  DataOutputStream dataOutput = new DataOutputStream(socket.getOutputStream());//编写数据的长度//dataOutput.writeLong(bytes.length);System.out.print(number);//  byte[] b0=output.  output.write(bNumber);//dataOutput.write(byteOutput.toByteArray());//dataOutput.flush(); sendMessage(socket,byteOutput.toByteArray());//sendAllUser(byteOutput.toByteArray());}else{String atoms=(String) AnalyzePDB.alist.get(type-1);System.out.print(atoms.getBytes().length);output.writeBytes(atoms);sendMessage(socket,byteOutput.toByteArray());Thread.sleep(500);}break;case ACCEPT:initOutput();output.writeShort(ACCEPT);output.writeUTF(user.getName());String ss=input.readUTF();output.writeUTF(ss);sendAllUser(byteOutput.toByteArray());break;default :break;}}}catch (Exception e){//异常处理，当有用户异常退出时，向其他用户发出退出命令//删除出现异常的usernameif(!userMap.isEmpty()){try{System.out.println("发送该用户退出命令");userExit();}catch (Exception ee){System.out.println("用户退出异常！ee:" + ee);}}System.out.println("线程错误:");}}private void userExit() throws Exception{userMap.remove(user.getName());initOutput();output.writeShort(EXIT);output.writeUTF(user.getName());sendAllUser(byteOutput.toByteArray());}//重新初始化2个新的outputprivate void initOutput(){byteOutput = new ByteArrayOutputStream();output = new DataOutputStream(byteOutput);}public void sendAllUser(byte[] bytes) throws Exception{for(Iterator<User> it = userMap.values().iterator(); it.hasNext();){sendMessage(it.next().getSocket(),bytes);}}/** * 发送数据到网络流 * @param socket * @param bytes * @throws Exception */public void sendMessage(Socket socket,byte[] bytes) throws Exception{DataOutputStream dataOutput = new DataOutputStream(socket.getOutputStream());//编写数据的长度//dataOutput.writeLong(bytes.length);//System.out.print(bytes.length);dataOutput.write(bytes);dataOutput.flush();}public void sendUser(byte[] bytes,String name) throws Exception{   User user=userMap.get(name);   sendMessage(user.getSocket(),bytes);}}package com.unity.socket;import java.net.Socket;public class User{private String name;private Socket socket;private short x;private short y;public String getName(){return name;}public void setName(String name){this.name = name;}public Socket getSocket(){return socket;}public void setSocket(Socket socket){this.socket = socket;}public short getX(){return x;}public void setX(short x){this.x = x;}public short getY(){return y;}public void setY(short y){this.y = y;}}package com.unity.socket.type;public class ConvertType {public ConvertType(){}public final static byte[] getBytes(short s, boolean asc){    byte[] buf = new byte[2];    if (asc)     {    for (int i = buf.length - 1; i >= 0; i--)     {            buf[i] = (byte) (s & 0x00ff);        s >>= 8;     }    }    else    {      for (int i = 0; i < buf.length; i++)     {           buf[i] = (byte) (s & 0x00ff);        s >>= 8;    }    }    return buf;  }  public final static byte[] getBytes(int s, boolean asc) {    byte[] buf = new byte[4];    if (asc)      for (int i = buf.length - 1; i >= 0; i--) {        buf[i] = (byte) (s & 0x000000ff);        s >>= 8;      }    else      for (int i = 0; i < buf.length; i++) {        buf[i] = (byte) (s & 0x000000ff);        s >>= 8;      }    return buf;  }  public final static byte[] getBytes(long s, boolean asc) {    byte[] buf = new byte[8];    if (asc)      for (int i = buf.length - 1; i >= 0; i--) {        buf[i] = (byte) (s & 0x00000000000000ff);        s >>= 8;      }    else      for (int i = 0; i < buf.length; i++) {        buf[i] = (byte) (s & 0x00000000000000ff);        s >>= 8;      }    return buf;  }  public final static short getShort(byte[] buf, boolean asc)   {    if (buf == null)     {      throw new IllegalArgumentException("byte array is null!");    }    if (buf.length > 2)     {      throw new IllegalArgumentException("byte array size > 2 !");    }    short r = 0;    if (asc)      for (int i = buf.length - 1; i >= 0; i--) {        r <<= 8;        r |= (buf[i] & 0x00ff);      }    else      for (int i = 0; i < buf.length; i++) {        r <<= 8;        r |= (buf[i] & 0x00ff);      }    return r;  }  public final static int getInt(byte[] buf, boolean asc) {    if (buf == null) {      throw new IllegalArgumentException("byte array is null!");    }    if (buf.length > 4) {      throw new IllegalArgumentException("byte array size > 4 !");    }    int r = 0;    if (asc)      for (int i = buf.length - 1; i >= 0; i--) {        r <<= 8;        r |= (buf[i] & 0x000000ff);      }    else      for (int i = 0; i < buf.length; i++) {        r <<= 8;        r |= (buf[i] & 0x000000ff);      }    return r;  }  public final static long getLong(byte[] buf, boolean asc) {    if (buf == null) {      throw new IllegalArgumentException("byte array is null!");    }    if (buf.length > 8) {      throw new IllegalArgumentException("byte array size > 8 !");    }    long r = 0;    if (asc)      for (int i = buf.length - 1; i >= 0; i--) {        r <<= 8;        r |= (buf[i] & 0x00000000000000ff);      }    else      for (int i = 0; i < buf.length; i++) {        r <<= 8;        r |= (buf[i] & 0x00000000000000ff);      }    return r;  }  }