我正在编写一个简单的套接字服务器,并且想跟踪客户端状态(身份验证和内容)。每次调用handle_read()时,我对该特定客户端一无所知。如果我知道客户端的ID或其他信息,这将有所帮助。这是我到目前为止的内容:
import asyncore import socket class EchoHandler(asyncore.dispatcher_with_send): def handle_read(self): data = self.recv(8192) self.send(data) class EchoServer(asyncore.dispatcher): def __init__(self, host, port): asyncore.dispatcher.__init__(self) self.create_socket(socket.AF_INET, socket.SOCK_STREAM) self.set_reuse_addr() self.bind((host, port)) self.listen(5) def handle_accept(self): pair = self.accept() if pair is None: pass else: sock, addr = pair print 'Incoming connection from %s' % repr(addr) handler = EchoHandler(sock) server = EchoServer('localhost', 8080) asyncore.loop()
当您从接收到连接时,便知道客户端的ID repr(addr)。返回的元组是该客户端的IP和唯一编号,当您要将数据发送回该客户端时可以使用该元组。如果要保留客户端列表,则应考虑使用字典,该字典在接收传入连接时会存储该客户端的信息。
repr(addr)
如果您希望将这些信息传递给handle_read函数,则代码如下所示:
class EchoHandler(asyncore.dispatcher_with_send): def setAddr(self, addr): self.addr = addr def handle_read(self): data = self.recv(8192) print '%s from %s' % (data, self.addr) self.send(data) class EchoServer(asyncore.dispatcher): def __init__(self, host, port): asyncore.dispatcher.__init__(self) self.create_socket(socket.AF_INET, socket.SOCK_STREAM) self.set_reuse_addr() self.bind((host, port)) self.listen(5) def handle_accept(self): pair = self.accept() if pair is None: pass else: sock, addr = pair print 'Incoming connection from %s' % repr(addr) handler = EchoHandler(sock) handler.setAddr(addr) #Set the address of the sender in the EchoHandler
只需将客户端的地址发送到EchoHandler,现在您知道它的来源。希望这可以帮助/工作!