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  • Python socket发送接收数据

    客户端:(发送数据)

    import socket
    import json
    import time
    
    class Client(object):
        def __init__(self):
            self.serverIp = ''
            self.serverPort = 9991
            self.bufferSize = 1024
            self.Arr = (self.serverIp, self.serverPort)
            self.client, self.addr = None, None
            # 创建socket对象,同时设置通信模式,AF_INET代表IPv4,SOCK_STREAM代表流式socket,使用的是tcp协议
            try:
                self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)     
            except socket.error as e:
                print("Failed to create socket. Error: %s"%e)
            # 绑定到我们刚刚设置的ip和端口元组,代表我们的服务运行在本机的9999端口上
            self.s.bind(self.Arr)    
            # 开始监听,5位最大挂起的连接数
            self.s.listen(5)
    
        def ReceiveMessage(self, predict, args, model, tokenizer):
            print('服务启动')
            try:
                while True:
                    # 接收来自服务器的数据
                    print("server waiting")
                    if self.client == None:
                        self.client, self.addr = self.s.accept()
                    print('receive before.')
                    data = self.client.recv(self.bufferSize)             
                    print('receive after.')
                    input_Q = str(data, encoding='utf-8')
                    print('rece: ', input_Q)
    
                    pre = predict(args, model, tokenizer, pred_text = input_Q)
                    print('pre: ', pre)
    
                    # 发送给服务器
                    self.SendMessage(str(pre))    
                    print('继续接收数据.....
    ')
                    
            except socket.error:
                self.s.close()
    
    
        def SendMessage(self, pre):
            # 发送数据
            client = socket.socket()
            # 连接服务器
            addr = ('127.0.0.1', 9993)          # 用于发送给服务器的端口
            client.connect(addr)
    
            print('发送数据....')
            # 发送数据
            client.send(pre.encode('utf-8'))
            client.close()
    
            # client.send(pre.encode('utf-8'))
    

    服务器(接收数据):

    import socket
    import time
    
    def receiveMessage(s):
        print("server waiting")                  # 接收来自服务器的数据
        server, _ = s.accept()
        print("接收数据ing.")
        data = server.recv(1024)
        input_Q = str(data, encoding='utf-8')
        print('预测结果:', input_Q)
        
        time.sleep(6)
        print('继续发送数据
    ')
    
    
    # 用来发送数据给客户端的连接
    client = socket.socket()
    # 连接服务器
    addr = ('127.0.0.1', 9991)
    client.connect(addr)
    
    # 用来接收客户端的预测结果
    # 创建socket对象,同时设置通信模式,AF_INET代表IPv4,SOCK_STREAM代表流式socket,使用的是tcp协议
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)     
    except socket.error as e:
        print("Failed to create socket. Error: %s"%e)
    # 绑定到我们刚刚设置的ip和端口元组,代表我们的服务运行在本机的9999端口上
    addr2 = ('127.0.0.1', 9993)                 # 用来接收客户端数据的端口
    s.bind(addr2)    
    # 开始监听,5位最大挂起的连接数
    s.listen(5)
    server = None 
    cnt = 0
    question = [
        '请问羽毛球是冬奥会项目吗?', 
        '请问冰球是冬奥会项目吗', 
        '请问台球好玩吗?', 
        '请问篮球可以锻炼身体吗?', 
        '请问滑雪是什么运动会项目?',
        "中国冬奥会速滑可以夺冠吗?",
        '请问小孩喜欢打篮球怎么办?',
        '请问姚明是打什么球的?']
    
    while True:
        if cnt == len(question):
            break
        data = question[cnt]
        cnt = cnt + 1
    
        # 发送数据
        client.send(data.encode('utf-8'))        # 发送给客户端
        
        receiveMessage(s)
    

    上面可能有问题

    服务器端:

    import socket
    import json
    import time
    
    class Client(object):
        def __init__(self):
            self.serverIp = ''
            self.serverPort = 9991
            self.bufferSize = 1024
            self.Arr = (self.serverIp, self.serverPort)
            self.client, self.addr = None, None
            # 创建socket对象,同时设置通信模式,AF_INET代表IPv4,SOCK_STREAM代表流式socket,使用的是tcp协议
            try:
                self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)     
            except socket.error as e:
                print("Failed to create socket. Error: %s"%e)
            # 绑定到我们刚刚设置的ip和端口元组,代表我们的服务运行在本机的9999端口上
            self.s.bind(self.Arr)    
            # 开始监听,5位最大挂起的连接数
            self.s.listen(5)
    
        def ReceiveMessage(self, predict, args, model, tokenizer):
            print('服务启动')
            try:   
                while True:
                    # if self.client == None:
                    self.client, self.addr = self.s.accept()
                    data = {}
                    result = ''
                    text = ''
                    try:
                        # while True:
                        #     t = c.recv(2048).decode('utf-8')
                        #     text += t
                        #     if t[-1] == '}':
                        #         break
                        # data = json.loads(text)
                        data = self.client.recv(self.bufferSize).decode('utf-8')
                        print('question: ', data)
                        if 'input' in data:
                            result = str(predict(args, model, tokenizer, pred_text = data))
                        else:
                            result = str(predict(args, model, tokenizer, pred_text = data))
                    except Exception as e:
                        print('Exception: ', e)
    
                    if type(result) == str:
                        result = result.encode('utf-8')
                        print('pred: ', result)
                        self.client.send(result)
                        print('返回结果成功.')
                        self.client.close()
                    # self.client.close()
            except socket.error:
                self.s.close()
                self.client.close()
    
    

    客户端:

    import socket
    import time
    
    
    
    client = socket.socket()
    
    # 设置服务器端口
    addr = ('127.0.0.1', 9991)
    client.connect(addr)
    
    
    # 创建socket对象,同时设置通信模式,AF_INET代表IPv4,SOCK_STREAM代表流式socket,使用的是tcp协议
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)     
    except socket.error as e:
        print("Failed to create socket. Error: %s"%e)
    # 绑定到我们刚刚设置的ip和端口元组,代表我们的服务运行在本机的9999端口上
    addr2 = ('127.0.0.1', 9993)                 # 用来接收客户端数据的端口
    s.bind(addr2)    
    # 开始监听,5位最大挂起的连接数
    s.listen(5)
    server = None 
    
    # 接收客户端数据
    def receiveMessage(question, s):
        print("server waiting")               
        server, _ = s.accept()
        print("接收数据ing.")
        data = server.recv(1024)
        input_Q = str(data, encoding='utf-8')
        print(question, ' 预测结果:', input_Q)
        
        time.sleep(6)
        print('继续发送数据
    ')
    
    
    cnt = 0
    question = [
        '请问小孩咳嗽总是不好怎么办?',
        '请问中国上一届比赛冰球是什么名次?',
        '请问羽毛球是冬奥会项目吗?', 
        '请问冰球是冬奥会项目吗', 
        '请问台球好玩吗?', 
        '请问篮球可以锻炼身体吗?', 
        '请问滑雪是什么运动会项目?',
        "中国冬奥会速滑可以夺冠吗?",
        '请问小孩喜欢打篮球怎么办?',
        '请问姚明是打什么球的?']
    
    while True:
        if cnt == len(question):
            break
        data = question[cnt]
        cnt = cnt + 1
    
        # 发送数据
        print('发送数据ing....')
        client.send(data.encode('utf-8'))        # 发送给客户端
        # receiveMessage(question[cnt-1], s)       # 接收客户端返回的预测结果
    
        server_reply = client.recv(1024)
        input_Q = str(server_reply, encoding='utf-8')
        print(question[cnt-1], ' 预测结果:', input_Q)
        
        time.sleep(6)
        print('继续发送数据
    ')
        
    
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  • 原文地址:https://www.cnblogs.com/douzujun/p/14409671.html
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