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  • HTTP服务器(2)

    import socket
    import re
    import multiprocessing
    
    
    def service_client(new_socket):
        """为这个客户端返回数据"""
    
        # 1. 接收浏览器发送过来的请求 ,即http请求  
        # GET / HTTP/1.1
        # .....
        request = new_socket.recv(1024).decode("utf-8")
        # print(">>>"*50)
        # print(request)
    
        request_lines = request.splitlines()
        print("")
        print(">"*20)
        print(request_lines)
    
        # GET /index.html HTTP/1.1
        # get post put del
        file_name = ""
        ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
        if ret:
            file_name = ret.group(1)
            # print("*"*50, file_name)
            if file_name == "/":
                file_name = "/index.html"
    
    
    
    
        # 2. 返回http格式的数据,给浏览器
        
        try:
            f = open("./html" + file_name, "rb")
        except:
            response = "HTTP/1.1 404 NOT FOUND
    "
            response += "
    "
            response += "------file not found-----"
            new_socket.send(response.encode("utf-8"))
        else:
            html_content = f.read()
            f.close()
            # 2.1 准备发送给浏览器的数据---header
            response = "HTTP/1.1 200 OK
    "
            response += "
    "
            # 2.2 准备发送给浏览器的数据---boy
            # response += "hahahhah"
    
            # 将response header发送给浏览器
            new_socket.send(response.encode("utf-8"))
            # 将response body发送给浏览器
            new_socket.send(html_content)
    
    
        # 关闭套接
        new_socket.close()
        
    
    def main():
        """用来完成整体的控制"""
        # 1. 创建套接字
        tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    
        # 2. 绑定
        tcp_server_socket.bind(("", 7890))
    
        # 3. 变为监听套接字
        tcp_server_socket.listen(128)
    
        while True:
            # 4. 等待新客户端的链接
            new_socket, client_addr = tcp_server_socket.accept()
    
            # 5. 为这个客户端服务
            p = multiprocessing.Process(target=service_client, args=(new_socket,))
            p.start()
    
            new_socket.close()
    
    
        # 关闭监听套接字
        tcp_server_socket.close()
    
    
    if __name__ == "__main__":
        main()
    使用多进程完成http服务器
    import socket
    import re
    import threading
    
    
    def service_client(new_socket):
        """为这个客户端返回数据"""
    
        # 1. 接收浏览器发送过来的请求 ,即http请求  
        # GET / HTTP/1.1
        # .....
        request = new_socket.recv(1024).decode("utf-8")
        # print(">>>"*50)
        # print(request)
    
        request_lines = request.splitlines()
        print("")
        print(">"*20)
        print(request_lines)
    
        # GET /index.html HTTP/1.1
        # get post put del
        file_name = ""
        ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
        if ret:
            file_name = ret.group(1)
            # print("*"*50, file_name)
            if file_name == "/":
                file_name = "/index.html"
    
    
    
    
        # 2. 返回http格式的数据,给浏览器
        
        try:
            f = open("./html" + file_name, "rb")
        except:
            response = "HTTP/1.1 404 NOT FOUND
    "
            response += "
    "
            response += "------file not found-----"
            new_socket.send(response.encode("utf-8"))
        else:
            html_content = f.read()
            f.close()
            # 2.1 准备发送给浏览器的数据---header
            response = "HTTP/1.1 200 OK
    "
            response += "
    "
            # 2.2 准备发送给浏览器的数据---boy
            # response += "hahahhah"
    
            # 将response header发送给浏览器
            new_socket.send(response.encode("utf-8"))
            # 将response body发送给浏览器
            new_socket.send(html_content)
    
    
        # 关闭套接
        new_socket.close()
        
    
    def main():
        """用来完成整体的控制"""
        # 1. 创建套接字
        tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    
        # 2. 绑定
        tcp_server_socket.bind(("", 7890))
    
        # 3. 变为监听套接字
        tcp_server_socket.listen(128)
    
        while True:
            # 4. 等待新客户端的链接
            new_socket, client_addr = tcp_server_socket.accept()
    
            # 5. 为这个客户端服务
            p = threading.Thread(target=service_client, args=(new_socket,))
            p.start()
    
    
    
        # 关闭监听套接字
        tcp_server_socket.close()
    
    
    if __name__ == "__main__":
        main()
    使用多线程完成http服务器
    import socket
    import re
    import gevent
    from gevent import monkey
    
    monkey.patch_all()
    
    
    def service_client(new_socket):
        """为这个客户端返回数据"""
    
        # 1. 接收浏览器发送过来的请求 ,即http请求  
        # GET / HTTP/1.1
        # .....
        request = new_socket.recv(1024).decode("utf-8")
        # print(">>>"*50)
        # print(request)
    
        request_lines = request.splitlines()
        print("")
        print(">"*20)
        print(request_lines)
    
        # GET /index.html HTTP/1.1
        # get post put del
        file_name = ""
        ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
        if ret:
            file_name = ret.group(1)
            # print("*"*50, file_name)
            if file_name == "/":
                file_name = "/index.html"
    
    
    
    
        # 2. 返回http格式的数据,给浏览器
        
        try:
            f = open("./html" + file_name, "rb")
        except:
            response = "HTTP/1.1 404 NOT FOUND
    "
            response += "
    "
            response += "------file not found-----"
            new_socket.send(response.encode("utf-8"))
        else:
            html_content = f.read()
            f.close()
            # 2.1 准备发送给浏览器的数据---header
            response = "HTTP/1.1 200 OK
    "
            response += "
    "
            # 2.2 准备发送给浏览器的数据---boy
            # response += "hahahhah"
    
            # 将response header发送给浏览器
            new_socket.send(response.encode("utf-8"))
            # 将response body发送给浏览器
            new_socket.send(html_content)
    
    
        # 关闭套接
        new_socket.close()
        
    
    def main():
        """用来完成整体的控制"""
        # 1. 创建套接字
        tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    
        # 2. 绑定
        tcp_server_socket.bind(("", 7890))
    
        # 3. 变为监听套接字
        tcp_server_socket.listen(128)
    
        while True:
            # 4. 等待新客户端的链接
            new_socket, client_addr = tcp_server_socket.accept()
    
            # 5. 为这个客户端服务
            gevent.spawn(service_client, new_socket)
    
    
    
        # 关闭监听套接字
        tcp_server_socket.close()
    
    
    if __name__ == "__main__":
        main()
    使用gevent完成http服务器
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  • 原文地址:https://www.cnblogs.com/yuqiangli0616/p/10136993.html
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