java socket编程（三）.txt

一个新的采集工具 一个新的采集工具 一个新的采集工具

作者：风之彩
email: [e-mail]
日期：2001-6-29 14:50:30
服务器Sockets

列表9.2是一个服务器应用程序的一部分.

列表9.2 一个简单的服务器程序 

/** 
* 一个监听端口并提供HTML文档的程序.
*/ 
class SimpleWebServer { 
public static void main(String args[]) 
{ 
ServerSocket serverSocket = null; 
Socket clientSocket = null; 
int connects = 0; 
try 
{ 
{ 
// 建立一个服务器socket 
serverSocket = new ServerSocket(80, 5); 
while (connects < 5) 
{ 
// 等待连接 
clientSocket = serverSocket.accept(); 
//服务连接
ServiceClient(clientSocket); 
connects++; 
} 
serverSocket.close(); 
} 
catch (IOException ioe) 
{ 
System.out.println("Error in SimpleWebServer: " + ioe); 
} 
} 
public static void ServiceClient(Socket client) 
throws IOException 
{ 
DataInputStream inbound = null; 
DataOutputStream outbound = null; 
try 
{ 
// 得到IO流 
inbound = new DataInputStream( client.getInputStream()); 
outbound = new DataOutputStream( client.getOutputStream()); 
//格式化输出(回应头和很少的HTML文档)
StringBuffer buffer = PrepareOutput(); 
String inputLine; 
while ((inputLine = inbound.readLine()) != null) 
{ 
//如果到了HTTP请求的尾部,就发送回应 
if ( inputLine.equals("") ) 
{ 
outbound.writeBytes(buffer.toString()); 
break; 
} 
} 
} 
finally 
{ 
// 清除 
System.out.println("Cleaning up connection: " + client); 
tln("Cleaning up connection: " + client); 
outbound.close(); 
inbound.close(); 
client.close(); 
client.close(); 
} 
}