我开发了一个java swing客户端 - 服务器应用程序。服务器有许多服务,如数据库服务,缓存服务和客户服务对客户的谈话。在Socket中处理多个客户端
客户服务打开一个端口上的插座并监听传入的连接。它为每个客户端连接生成一个新线程,创建一个会话并读取传入的序列化对象。它维护这个会话(使线程保持活动状态)直到客户端发出'CLOSE_SESSION'命令。
什么,我想知道的是,如果它的正确产卵为每一个新的客户端插槽会话一个新的线程。谢谢。
我的客户服务代码如下所示。
代码来创建服务器套接字:
try {
ServerSocket socket = new ServerSocket(serverPort);
Socket listener = socket.accept();
Thread client = new Thread(new ClientHandler(listener));
client.start();
} catch (IOException ex) {
log.error(new Throwable(ex));
}
代码生成新线程为每个客户
class ClientHandler implements Runnable {
private static Logger log = Logger.getLogger(ClientHandler.class);
private Socket listener;
public ClientHandler(Socket listener) {
this.listener = listener;
}
public void run() {
try {
ObjectInputStream inStream = new ObjectInputStream(
listener.getInputStream());
try {
ServiceRequestResponse request = (ServiceRequestResponse) inStream
.readObject();
if (request != null && request.getServiceCommand() != null) {
ServiceCommand command = request.getServiceCommand();
log.debug("command : " + command.getCommand());
log.debug("is session alive? " + request.isAlive());
log.debug("ServiceCommand.CREATE_SESSION : "
+ ServiceCommand.CREATE_SESSION.getCommand());
if (!request.isAlive()
&& command.getCommand().equals(
ServiceCommand.CREATE_SESSION.getCommand())) {
// No session yet, and service command issued is login.
// Call login service, check credentials and create
// session.
request.setSessionId(UUID.randomUUID());
log.debug("Created user session with id : "
+ request.getSessionId());
} else {
if (command.getCommand().equals(
ServiceCommand.CLOSE_SESSION)) {
// Close session and do clean up here
}
// Here session is alive.
while (!ServiceCommand.CLOSE_SESSION.equals(command
.getCommand())) {
// Read the service command from the request
// response and
// Hand it over to the appropriate handler.
}
}
}
} catch (ClassNotFoundException ex) {
log.error(new Throwable(ex));
}
} catch (IOException ex) {
}
}
}
您还应该(一)在该循环的底部捕捉EOFException类; (b)记录您在那里捕获的任何其他IOException;和(c)在finally {}块中关闭套接字。 – EJP 2012-04-07 06:29:49