{"id":15894,"date":"2026-04-25T15:21:11","date_gmt":"2026-04-25T07:21:11","guid":{"rendered":"https:\/\/top.duoku.icu\/libs\/15894.html"},"modified":"2026-04-25T15:21:11","modified_gmt":"2026-04-25T07:21:11","slug":"%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e8%af%a6%e7%bb%86%e4%bd%bf%e7%94%a8%e6%95%99%e7%a8%8b%ef%bc%9a%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%88%b0%e7%b2%be%e9%80%9a","status":"publish","type":"post","link":"https:\/\/www.srclibs.com\/index.php\/2026\/04\/25\/%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e8%af%a6%e7%bb%86%e4%bd%bf%e7%94%a8%e6%95%99%e7%a8%8b%ef%bc%9a%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%88%b0%e7%b2%be%e9%80%9a\/","title":{"rendered":"\u7f51\u7edc\u7f16\u7a0b\u8be6\u7ec6\u4f7f\u7528\u6559\u7a0b\uff1a\u4ece\u57fa\u7840\u5230\u7cbe\u901a"},"content":{"rendered":"<div style=\"text-align:center;margin:30px 0;\"><img decoding=\"async\" src=\"https:\/\/top.duoku.icu\/wp-content\/uploads\/2026\/04\/image-75.png\" alt=\"\u7f51\u7edc\u7f16\u7a0b\u8be6\u7ec6\u4f7f\u7528\u6559\u7a0b\uff1a\u4ece\u57fa\u7840\u5230\u7cbe\u901a\" style=\"max-width:100%;height:auto;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.1);\"><\/div>\n<p># \u7f51\u7edc\u7f16\u7a0b\u8be6\u7ec6\u4f7f\u7528\u6559\u7a0b<\/p>\n<p>## \u4e00\u3001\u7f51\u7edc\u7f16\u7a0b\u7b80\u4ecb\u548c\u6838\u5fc3\u6982\u5ff5<\/p>\n<p>**\u7f51\u7edc\u7f16\u7a0b**\u662f\u6307\u901a\u8fc7\u7f16\u7a0b\u65b9\u5f0f\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u5b83\u662f\u6784\u5efa\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001\u7f51\u7edc\u5e94\u7528\u548c\u5fae\u670d\u52a1\u67b6\u6784\u7684\u57fa\u7840\u3002<\/p>\n<p>### \u6838\u5fc3\u6982\u5ff5<\/p>\n<p>| \u6982\u5ff5 | \u8bf4\u660e |<br \/>\n|&#8212;&#8212;|&#8212;&#8212;|<br \/>\n| **TCP\/IP** | \u4f20\u8f93\u63a7\u5236\u534f\u8bae\/\u4e92\u8054\u7f51\u534f\u8bae\uff0c\u53ef\u9760\u7684\u9762\u5411\u8fde\u63a5\u534f\u8bae |<br \/>\n| **UDP** | \u7528\u6237\u6570\u636e\u62a5\u534f\u8bae\uff0c\u4e0d\u53ef\u9760\u7684\u65e0\u8fde\u63a5\u534f\u8bae |<br \/>\n| **HTTP** | \u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae\uff0cWeb \u901a\u4fe1\u7684\u57fa\u7840 |<br \/>\n| **Socket** | \u7f51\u7edc\u7f16\u7a0b\u7684\u63a5\u53e3\uff0c\u7528\u4e8e\u7f51\u7edc\u901a\u4fe1 |<\/p>\n<p>### OSI \u4e03\u5c42\u6a21\u578b<\/p>\n<p>&#8220;`<br \/>\n7. \u5e94\u7528\u5c42    &#8211; HTTP, FTP, SMTP<br \/>\n6. \u8868\u793a\u5c42    &#8211; SSL, TLS, \u6570\u636e\u52a0\u5bc6<br \/>\n5. \u4f1a\u8bdd\u5c42    &#8211; \u4f1a\u8bdd\u7ba1\u7406<br \/>\n4. \u4f20\u8f93\u5c42    &#8211; TCP, UDP<br \/>\n3. \u7f51\u7edc\u5c42    &#8211; IP, ICMP<br \/>\n2. \u6570\u636e\u94fe\u8def\u5c42 &#8211; MAC, ARP<br \/>\n1. \u7269\u7406\u5c42    &#8211; \u7269\u7406\u8fde\u63a5<br \/>\n&#8220;`<\/p>\n<p>### \u7f51\u7edc\u534f\u8bae\u5bf9\u6bd4<\/p>\n<p>| \u534f\u8bae | \u7279\u70b9 | \u9002\u7528\u573a\u666f |<br \/>\n|&#8212;&#8212;|&#8212;&#8212;|&#8212;&#8212;&#8212;-|<br \/>\n| **TCP** | \u53ef\u9760\u3001\u9762\u5411\u8fde\u63a5\u3001\u6d41\u91cf\u63a7\u5236 | \u6587\u4ef6\u4f20\u8f93\u3001\u7535\u5b50\u90ae\u4ef6 |<br \/>\n| **UDP** | \u4e0d\u53ef\u9760\u3001\u65e0\u8fde\u63a5\u3001\u4f4e\u5ef6\u8fdf | \u5b9e\u65f6\u97f3\u89c6\u9891\u3001\u6e38\u620f |<br \/>\n| **HTTP\/HTTPS** | \u5e94\u7528\u5c42\u534f\u8bae\u3001\u8bf7\u6c42\u54cd\u5e94 | Web \u670d\u52a1\u3001API \u63a5\u53e3 |<\/p>\n<p>## \u4e8c\u3001Socket \u7f16\u7a0b\u57fa\u7840<\/p>\n<p>### Socket \u521b\u5efa<\/p>\n<p>&#8220;`python<br \/>\nimport socket<\/p>\n<p># \u521b\u5efa TCP Socket<br \/>\ntcp_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n<p># \u521b\u5efa UDP Socket<br \/>\nudp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)<\/p>\n<p># \u521b\u5efa IPv6 Socket<br \/>\nipv6_socket = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)<br \/>\n&#8220;`<\/p>\n<p>### \u7ed1\u5b9a\u5730\u5740<\/p>\n<p>&#8220;`python<br \/>\n# \u7ed1\u5b9a\u672c\u5730\u5730\u5740\u548c\u7aef\u53e3<br \/>\nhost = &#8216;0.0.0.0&#8217;  # \u76d1\u542c\u6240\u6709\u7f51\u5361<br \/>\nport = 8080<\/p>\n<p>tcp_socket.bind((host, port))<br \/>\nprint(f&#8221;Socket bound to {host}:{port}&#8221;)<br \/>\n&#8220;`<\/p>\n<p>### \u8fde\u63a5\u7ba1\u7406<\/p>\n<p>&#8220;`python<br \/>\n# \u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668<br \/>\nclient_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<br \/>\nclient_socket.connect((&#8216;192.168.1.100&#8217;, 8080))<\/p>\n<p># \u670d\u52a1\u5668\u63a5\u53d7\u8fde\u63a5<br \/>\nserver_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<br \/>\nserver_socket.bind((&#8216;0.0.0.0&#8242;, 8080))<br \/>\nserver_socket.listen(5)<br \/>\nprint(&#8220;Waiting for connection&#8230;&#8221;)<\/p>\n<p>conn, addr = server_socket.accept()<br \/>\nprint(f&#8221;Connected by {addr}&#8221;)<br \/>\n&#8220;`<\/p>\n<p>## \u4e09\u3001TCP \u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5b9e\u73b0<\/p>\n<p>### TCP \u670d\u52a1\u5668\u793a\u4f8b<\/p>\n<p>&#8220;`python<br \/>\nimport socket<br \/>\nimport threading<\/p>\n<p>class TCPServer:<br \/>\n    def __init__(self, host=&#8217;0.0.0.0&#8242;, port=8080):<br \/>\n        self.host = host<br \/>\n        self.port = port<br \/>\n        self.server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<br \/>\n        self.server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)<\/p>\n<p>    def start(self):<br \/>\n        self.server_socket.bind((self.host, self.port))<br \/>\n        self.server_socket.listen(5)<br \/>\n        print(f&#8221;TCP Server listening on {self.host}:{self.port}&#8221;)<\/p>\n<p>        try:<br \/>\n            while True:<br \/>\n                conn, addr = self.server_socket.accept()<br \/>\n                print(f&#8221;Connected by {addr}&#8221;)<br \/>\n                thread = threading.Thread(target=self.handle_client, args=(conn, addr))<br \/>\n                thread.daemon = True<br \/>\n                thread.start()<br \/>\n        except KeyboardInterrupt:<br \/>\n            self.stop()<\/p>\n<p>    def handle_client(self, conn, addr):<br \/>\n        try:<br \/>\n            while True:<br \/>\n                data = conn.recv(1024)<br \/>\n                if not data:<br \/>\n                    break<br \/>\n                print(f&#8221;Received from {addr}: {data.decode()}&#8221;)<\/p>\n<p>                # \u5904\u7406\u6d88\u606f<br \/>\n                response = f&#8221;Echo: {data.decode()}&#8221;<br \/>\n                conn.sendall(response.encode())<br \/>\n        except Exception as e:<br \/>\n            print(f&#8221;Error handling {addr}: {e}&#8221;)<br \/>\n        finally:<br \/>\n            conn.close()<\/p>\n<p>    def stop(self):<br \/>\n        self.server_socket.close()<br \/>\n        print(&#8220;Server stopped&#8221;)<\/p>\n<p># \u542f\u52a8\u670d\u52a1\u5668<br \/>\nif __name__ == &#8220;__main__&#8221;:<br \/>\n    server = TCPServer()<br \/>\n    server.start()<br \/>\n&#8220;`<\/p>\n<p>### TCP \u5ba2\u6237\u7aef\u793a\u4f8b<\/p>\n<p>&#8220;`python<br \/>\nimport socket<\/p>\n<p>class TCPClient:<br \/>\n    def __init__(self, host=&#8217;192.168.1.100&#8242;, port=8080):<br \/>\n        self.host = host<br \/>\n        self.port = port<br \/>\n        self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n<p>    def connect(self):<br \/>\n        try:<br \/>\n            self.socket.connect((self.host, self.port))<br \/>\n            print(f&#8221;Connected to {self.host}:{self.port}&#8221;)<br \/>\n        except Exception as e:<br \/>\n            print(f&#8221;Connection failed: {e}&#8221;)<\/p>\n<p>    def send(self, message):<br \/>\n        try:<br \/>\n            self.socket.sendall(message.encode())<br \/>\n            print(f&#8221;Sent: {message}&#8221;)<br \/>\n        except Exception as e:<br \/>\n            print(f&#8221;Send failed: {e}&#8221;)<\/p>\n<p>    def receive(self, buffer_size=1024):<br \/>\n        try:<br \/>\n            data = self.socket.recv(buffer_size)<br \/>\n            if data:<br \/>\n                print(f&#8221;Received: {data.decode()}&#8221;)<br \/>\n                return data.decode()<br \/>\n        except Exception as e:<br \/>\n            print(f&#8221;Receive failed: {e}&#8221;)<br \/>\n        return None<\/p>\n<p>    def disconnect(self):<br \/>\n        self.socket.close()<br \/>\n        print(&#8220;Disconnected&#8221;)<\/p>\n<p># \u4f7f\u7528\u5ba2\u6237\u7aef<br \/>\nif __name__ == &#8220;__main__&#8221;:<br \/>\n    client = TCPClient()<br \/>\n    client.connect()<br \/>\n    client.send(&#8220;Hello, Server!&#8221;)<br \/>\n    client.receive()<br \/>\n    client.disconnect()<br \/>\n&#8220;`<\/p>\n<p>## \u56db\u3001UDP \u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5b9e\u73b0<\/p>\n<p>### UDP \u670d\u52a1\u5668\u793a\u4f8b<\/p>\n<p>&#8220;`python<br \/>\nimport socket<\/p>\n<p>class UDPServer:<br \/>\n    def __init__(self, host=&#8217;0.0.0.0&#8242;, port=8080):<br \/>\n        self.host = host<br \/>\n        self.port = port<br \/>\n        self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)<\/p>\n<p>    def start(self):<br \/>\n        self.socket.bind((self.host, self.port))<br \/>\n        print(f&#8221;UDP Server listening on {self.host}:{self.port}&#8221;)<\/p>\n<p>        try:<br \/>\n            while True:<br \/>\n                data, addr = self.socket.recvfrom(1024)<br \/>\n                print(f&#8221;Received from {addr}: {data.decode()}&#8221;)<\/p>\n<p>                # \u56de\u590d\u6d88\u606f<br \/>\n                response = f&#8221;Echo: {data.decode()}&#8221;<br \/>\n                self.socket.sendto(response.encode(), addr)<br \/>\n        except KeyboardInterrupt:<br \/>\n            self.stop()<\/p>\n<p>    def stop(self):<br \/>\n        self.socket.close()<br \/>\n        print(&#8220;UDP Server stopped&#8221;)<\/p>\n<p># \u542f\u52a8\u670d\u52a1\u5668<br \/>\nif __name__ == &#8220;__main__&#8221;:<br \/>\n    server = UDPServer()<br \/>\n    server.start()<br \/>\n&#8220;`<\/p>\n<p>### UDP \u5ba2\u6237\u7aef\u793a\u4f8b<\/p>\n<p>&#8220;`python<br \/>\nimport socket<\/p>\n<p>class UDPClient:<br \/>\n    def __init__(self, server_host=&#8217;192.168.1.100&#8217;, server_port=8080):<br \/>\n        self.server_host = server_host<br \/>\n        self.server_port = server_port<br \/>\n        self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)<\/p>\n<p>    def send(self, message):<br \/>\n        try:<br \/>\n            self.socket.sendto(message.encode(), (self.server_host, self.server_port))<br \/>\n            print(f&#8221;Sent to {self.server_host}:{self.server_port}: {message}&#8221;)<br \/>\n        except Exception as e:<br \/>\n            print(f&#8221;Send failed: {e}&#8221;)<\/p>\n<p>    def receive(self, buffer_size=1024):<br \/>\n        try:<br \/>\n            data, addr = self.socket.recvfrom(buffer_size)<br \/>\n            print(f&#8221;Received from {addr}: {data.decode()}&#8221;)<br \/>\n            return data.decode()<br \/>\n        except Exception as e:<br \/>\n            print(f&#8221;Receive failed: {e}&#8221;)<br \/>\n        return None<\/p>\n<p># \u4f7f\u7528\u5ba2\u6237\u7aef<br \/>\nif __name__ == &#8220;__main__&#8221;:<br \/>\n    client = UDPClient()<br \/>\n    client.send(&#8220;Hello, UDP Server!&#8221;)<br \/>\n    client.receive()<br \/>\n    client.socket.close()<br \/>\n&#8220;`<\/p>\n<p>## \u4e94\u3001HTTP \u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef<\/p>\n<p>### HTTP \u670d\u52a1\u5668\uff08Flask\uff09<\/p>\n<p>&#8220;`python<br \/>\nfrom flask import Flask, request, jsonify<\/p>\n<p>app = Flask(__name__)<\/p>\n<p>@app.route(&#8216;\/&#8217;)<br \/>\ndef index():<br \/>\n    return jsonify({&#8220;message&#8221;: &#8220;Hello, World!&#8221;})<\/p>\n<p>@app.route(&#8216;\/api\/data&#8217;, methods=[&#8216;GET&#8217;, &#8216;POST&#8217;])<br \/>\ndef api_data():<br \/>\n    if request.method == &#8216;GET&#8217;:<br \/>\n        return jsonify({&#8220;data&#8221;: &#8220;GET data&#8221;, &#8220;status&#8221;: &#8220;success&#8221;})<br \/>\n    elif request.method == &#8216;POST&#8217;:<br \/>\n        data = request.get_json()<br \/>\n        return jsonify({&#8220;received&#8221;: data, &#8220;status&#8221;: &#8220;success&#8221;})<\/p>\n<p>if __name__ == &#8216;__main__&#8217;:<br \/>\n    app.run(host=&#8217;0.0.0.0&#8242;, port=5000, debug=True)<br \/>\n&#8220;`<\/p>\n<p>### HTTP \u5ba2\u6237\u7aef\uff08Requests\uff09<\/p>\n<p>&#8220;`python<br \/>\nimport requests<\/p>\n<p># GET \u8bf7\u6c42<br \/>\nresponse = requests.get(&#8216;https:\/\/api.example.com\/data&#8217;)<br \/>\nprint(f&#8221;Status: {response.status_code}&#8221;)<br \/>\nprint(f&#8221;Data: {response.json()}&#8221;)<\/p>\n<p># POST \u8bf7\u6c42<br \/>\ndata = {&#8220;name&#8221;: &#8220;John&#8221;, &#8220;age&#8221;: 30}<br \/>\nheaders = {&#8216;Content-Type&#8217;: &#8216;application\/json&#8217;}<br \/>\nresponse = requests.post(&#8216;https:\/\/api.example.com\/users&#8217;, json=data, headers=headers)<br \/>\nprint(f&#8221;Status: {response.status_code}&#8221;)<br \/>\nprint(f&#8221;Data: {response.json()}&#8221;)<\/p>\n<p># \u5e26\u8d85\u65f6\u548c\u9519\u8bef\u5904\u7406<br \/>\ntry:<br \/>\n    response = requests.get(&#8216;https:\/\/api.example.com\/data&#8217;, timeout=5)<br \/>\n    response.raise_for_status()<br \/>\n    print(f&#8221;Success: {response.json()}&#8221;)<br \/>\nexcept requests.exceptions.Timeout:<br \/>\n    print(&#8220;Request timed out&#8221;)<br \/>\nexcept requests.exceptions.HTTPError as e:<br \/>\n    print(f&#8221;HTTP error: {e}&#8221;)<br \/>\nexcept requests.exceptions.RequestException as e:<br \/>\n    print(f&#8221;Request failed: {e}&#8221;)<br \/>\n&#8220;`<\/p>\n<p>### \u5f02\u6b65 HTTP \u5ba2\u6237\u7aef\uff08aiohttp\uff09<\/p>\n<p>&#8220;`python<br \/>\nimport aiohttp<br \/>\nimport asyncio<\/p>\n<p>async def fetch_data(session, url):<br \/>\n    async with session.get(url) as response:<br \/>\n        return await response.json()<\/p>\n<p>async def main():<br \/>\n    async with aiohttp.ClientSession() as session:<br \/>\n        tasks = [<br \/>\n            fetch_data(session, &#8216;https:\/\/api.example.com\/data1&#8217;),<br \/>\n            fetch_data(session, &#8216;https:\/\/api.example.com\/data2&#8217;),<br \/>\n            fetch_data(session, &#8216;https:\/\/api.example.com\/data3&#8217;)<br \/>\n        ]<br \/>\n        results = await asyncio.gather(*tasks)<br \/>\n        print(f&#8221;Results: {results}&#8221;)<\/p>\n<p>if __name__ == &#8216;__main__&#8217;:<br \/>\n    asyncio.run(main())<br \/>\n&#8220;`<\/p>\n<p>## \u516d\u3001\u5f02\u6b65\u7f51\u7edc\u7f16\u7a0b<\/p>\n<p>### Asyncio \u57fa\u7840<\/p>\n<p>&#8220;`python<br \/>\nimport asyncio<br \/>\nimport aiohttp<\/p>\n<p>async def async_http_client():<br \/>\n    &#8220;&#8221;&#8221;\u5f02\u6b65 HTTP \u5ba2\u6237\u7aef&#8221;&#8221;&#8221;<br \/>\n    async with aiohttp.ClientSession() as session:<br \/>\n        async with session.get(&#8216;https:\/\/api.example.com\/data&#8217;) as response:<br \/>\n            data = await response.json()<br \/>\n            return data<\/p>\n<p>async def async_tcp_server():<br \/>\n    &#8220;&#8221;&#8221;\u5f02\u6b65 TCP \u670d\u52a1\u5668&#8221;&#8221;&#8221;<br \/>\n    server = await asyncio.start_server(handle_client, &#8216;0.0.0.0&#8217;, 8080)<br \/>\n    print(&#8220;Async TCP Server started&#8221;)<\/p>\n<p>    async with server:<br \/>\n        await server.serve_forever()<\/p>\n<p>async def handle_client(reader, writer):<br \/>\n    &#8220;&#8221;&#8221;\u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5&#8221;&#8221;&#8221;<br \/>\n    addr = writer.get_extra_info(&#8216;peername&#8217;)<br \/>\n    print(f&#8221;Connected by {addr}&#8221;)<\/p>\n<p>    try:<br \/>\n        while True:<br \/>\n            data = await asyncio.wait_for(reader.read(1024), timeout=30)<br \/>\n            if not data:<br \/>\n                break<br \/>\n            print(f&#8221;Received from {addr}: {data.decode()}&#8221;)<\/p>\n<p>            response = f&#8221;Echo: {data.decode()}&#8221;<br \/>\n            writer.write(response.encode())<br \/>\n            await writer.drain()<br \/>\n    except asyncio.TimeoutError:<br \/>\n        print(f&#8221;Connection timeout: {addr}&#8221;)<br \/>\n    finally:<br \/>\n        writer.close()<br \/>\n        await writer.wait_closed()<\/p>\n<p>if __name__ == &#8216;__main__&#8217;:<br \/>\n    asyncio.run(async_tcp_server())<br \/>\n&#8220;`<\/p>\n<p>### \u534f\u7a0b\u548c\u5e76\u53d1<\/p>\n<p>&#8220;`python<br \/>\nimport asyncio<\/p>\n<p>async def task(name, delay):<br \/>\n    &#8220;&#8221;&#8221;\u6a21\u62df\u4e00\u4e2a\u4efb\u52a1&#8221;&#8221;&#8221;<br \/>\n    print(f&#8221;Task {name} started&#8221;)<br \/>\n    await asyncio.sleep(delay)<br \/>\n    print(f&#8221;Task {name} completed&#8221;)<br \/>\n    return name<\/p>\n<p>async def main():<br \/>\n    &#8220;&#8221;&#8221;\u5e76\u53d1\u6267\u884c\u591a\u4e2a\u4efb\u52a1&#8221;&#8221;&#8221;<br \/>\n    tasks = [<br \/>\n        task(&#8220;A&#8221;, 2),<br \/>\n        task(&#8220;B&#8221;, 1),<br \/>\n        task(&#8220;C&#8221;, 3)<br \/>\n    ]<\/p>\n<p>    # \u5e76\u53d1\u6267\u884c<br \/>\n    results = await asyncio.gather(*tasks)<br \/>\n    print(f&#8221;All tasks completed: {results}&#8221;)<\/p>\n<p>if __name__ == &#8216;__main__&#8217;:<br \/>\n    asyncio.run(main())<br \/>\n&#8220;`<\/p>\n<p>## \u4e03\u3001\u7f51\u7edc\u7f16\u7a0b\u6700\u4f73\u5b9e\u8df5<\/p>\n<p>### \u9519\u8bef\u5904\u7406<\/p>\n<p>&#8220;`python<br \/>\nimport socket<\/p>\n<p>def safe_connect(host, port, timeout=5):<br \/>\n    &#8220;&#8221;&#8221;\u5b89\u5168\u7684\u8fde\u63a5\u51fd\u6570&#8221;&#8221;&#8221;<br \/>\n    try:<br \/>\n        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<br \/>\n        sock.settimeout(timeout)<br \/>\n        sock.connect((host, port))<br \/>\n        return sock<br \/>\n    except socket.timeout:<br \/>\n        print(f&#8221;Connection timeout to {host}:{port}&#8221;)<br \/>\n    except socket.gaierror:<br \/>\n        print(f&#8221;DNS resolution failed for {host}&#8221;)<br \/>\n    except ConnectionRefusedError:<br \/>\n        print(f&#8221;Connection refused by {host}:{port}&#8221;)<br \/>\n    except Exception as e:<br \/>\n        print(f&#8221;Connection failed: {e}&#8221;)<br \/>\n    finally:<br \/>\n        return None<br \/>\n&#8220;`<\/p>\n<p>### \u6027\u80fd\u4f18\u5316<\/p>\n<p>&#8220;`python<br \/>\nimport socket<br \/>\nimport threading<\/p>\n<p>class ConnectionPool:<br \/>\n    &#8220;&#8221;&#8221;\u8fde\u63a5\u6c60&#8221;&#8221;&#8221;<br \/>\n    def __init__(self, host, port, max_connections=10):<br \/>\n        self.host = host<br \/>\n        self.port = port<br \/>\n        self.max_connections = max_connections<br \/>\n        self.pool = []<br \/>\n        self.lock = threading.Lock()<\/p>\n<p>    def get_connection(self):<br \/>\n        with self.lock:<br \/>\n            if self.pool:<br \/>\n                return self.pool.pop()<br \/>\n            return self._create_connection()<\/p>\n<p>    def return_connection(self, conn):<br \/>\n        with self.lock:<br \/>\n            if len(self.pool) < self.max_connections:\n                self.pool.append(conn)\n    \n    def _create_connection(self):\n        try:\n            conn = socket.create_connection((self.host, self.port))\n            return conn\n        except Exception as e:\n            print(f\"Failed to create connection: {e}\")\n            return None\n```\n\n## \u516b\u3001\u5b89\u5168\u8003\u8651\u548c\u5e38\u89c1\u95ee\u9898\u6392\u67e5\n\n### \u5b89\u5168\u6700\u4f73\u5b9e\u8df5\n\n```python\nimport ssl\n\ndef create_secure_socket():\n    \"\"\"\u521b\u5efa\u5b89\u5168\u7684 SSL \u5957\u63a5\u5b57\"\"\"\n    context = ssl.create_default_context()\n    context.check_hostname = True\n    context.verify_mode = ssl.CERT_REQUIRED\n    \n    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n    secure_sock = context.wrap_socket(sock, server_hostname='example.com')\n    return secure_sock\n```\n\n### \u5e38\u89c1\u95ee\u9898\u6392\u67e5\n\n```bash\n# 1. \u68c0\u67e5\u7aef\u53e3\u5360\u7528\nnetstat -tlnp | grep 8080\nlsof -i :8080\n\n# 2. \u6d4b\u8bd5\u8fde\u63a5\ntelnet example.com 80\nnc -vz example.com 80\n\n# 3. \u68c0\u67e5\u7f51\u7edc\u72b6\u6001\nping example.com\ntraceroute example.com\n\n# 4. \u67e5\u770b Socket \u72b6\u6001\nss -tlnp\nnetstat -an | grep ESTABLISHED\n```\n\n### \u65e5\u5fd7\u548c\u76d1\u63a7\n\n```python\nimport logging\n\n# \u914d\u7f6e\u65e5\u5fd7\nlogging.basicConfig(\n    level=logging.INFO,\n    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',\n    handlers=[\n        logging.FileHandler('network.log'),\n        logging.StreamHandler()\n    ]\n)\n\nlogger = logging.getLogger('network')\n\ndef log_connection(addr, event):\n    \"\"\"\u8bb0\u5f55\u8fde\u63a5\u4e8b\u4ef6\"\"\"\n    logger.info(f\"Connection {event} from {addr}\")\n```\n\n---\n\n## \u603b\u7ed3\n\n\u672c\u6587\u6db5\u76d6\u4e86\u7f51\u7edc\u7f16\u7a0b\u7684\uff1a\n\n- \u2705 **\u6838\u5fc3\u6982\u5ff5** - TCP\/IP\u3001UDP\u3001HTTP\u3001Socket\n- \u2705 **Socket \u7f16\u7a0b** - \u521b\u5efa\u3001\u7ed1\u5b9a\u3001\u8fde\u63a5\n- \u2705 **TCP \u7f16\u7a0b** - \u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5b9e\u73b0\n- \u2705 **UDP \u7f16\u7a0b** - \u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5b9e\u73b0\n- \u2705 **HTTP \u7f16\u7a0b** - Flask \u670d\u52a1\u5668\u3001Requests \u5ba2\u6237\u7aef\n- \u2705 **\u5f02\u6b65\u7f16\u7a0b** - Asyncio\u3001\u534f\u7a0b\n- \u2705 **\u6700\u4f73\u5b9e\u8df5** - \u9519\u8bef\u5904\u7406\u3001\u6027\u80fd\u4f18\u5316\u3001\u8fde\u63a5\u6c60\n- \u2705 **\u5b89\u5168\u8003\u8651** - SSL\u3001\u65e5\u5fd7\u548c\u76d1\u63a7\n\n\n\n<div style=\"text-align:center;margin:30px 0;\">\n<p style=\"color:#666;font-size:14px;\">#\u7f51\u7edc\u7f16\u7a0b #Socket #TCP #UDP #HTTP #Python #\u5f02\u6b65\u7f16\u7a0b<\/p>\n<\/div>\n<p>&#8212;<\/p>\n<p>**\u6587\u7ae0\u5df2\u5b8c\u6210\uff01**<\/p>\n<p>**\u6587\u4ef6\u8def\u5f84\uff1a** `\/home\/node\/.openclaw\/agents\/creator\/workspace\/content\/\u7f51\u7edc\u7f16\u7a0b\u8be6\u7ec6\u4f7f\u7528\u6559\u7a0b_20260425_1512.md`<\/p>\n<p>\u8bf7\u544a\u8bc9\u6211\u4e0b\u4e00\u6b65\u64cd\u4f5c\uff08\u914d\u56fe\u3001\u53d1\u5e03\u7b49\uff09\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p># \u7f51\u7edc\u7f16\u7a0b\u8be6\u7ec6\u4f7f\u7528\u6559\u7a0b ## \u4e00\u3001\u7f51\u7edc\u7f16\u7a0b\u7b80\u4ecb\u548c\u6838\u5fc3\u6982\u5ff5 **\u7f51\u7edc\u7f16\u7a0b**\u662f\u6307\u901a\u8fc7\u7f16\u7a0b\u65b9\u5f0f\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e4b\u95f4\u7684\u901a&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-15894","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/posts\/15894","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/comments?post=15894"}],"version-history":[{"count":0,"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/posts\/15894\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/media?parent=15894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/categories?post=15894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/tags?post=15894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}