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Unity3d socket和java socket通信(转载)

3d 
阅读更多
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map
	private 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 int			EXIT = 1002;
	/**获取pdb文件消息命令 **/
	public static final int			GETFILE = 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map
	private 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username
			if(!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output
	private 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;
	  }
	  

	
}

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评论
1 楼 cdy51223 2012-07-04  
Java里AnalyzePDB类是从哪里来的

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