{"id":1024325,"date":"2024-12-30T14:12:57","date_gmt":"2024-12-30T06:12:57","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1024325.html"},"modified":"2024-12-30T14:12:59","modified_gmt":"2024-12-30T06:12:59","slug":"python%e5%a6%82%e4%bd%95%e5%a4%8d%e7%94%a8socket%e8%bf%9e%e6%8e%a5-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1024325.html","title":{"rendered":"python\u5982\u4f55\u590d\u7528socket\u8fde\u63a5"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/45c35a4e-9b77-4c00-8056-69791ba51d37.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"python\u5982\u4f55\u590d\u7528socket\u8fde\u63a5\" \/><\/p>\n<p><p> <strong>Python\u590d\u7528Socket\u8fde\u63a5\u7684\u65b9\u5f0f\u6709\u51e0\u79cd\uff0c\u5305\u62ec\uff1a\u4fdd\u6301\u8fde\u63a5\u3001\u4f7f\u7528\u8fde\u63a5\u6c60\u3001\u6301\u4e45\u5316\u8fde\u63a5\u3001\u4f18\u5316\u8d85\u65f6\u8bbe\u7f6e\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u4fdd\u6301\u8fde\u63a5\u662f\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4fdd\u6301\u4e00\u4e2a\u957f\u65f6\u95f4\u7684\u8fde\u63a5\u6765\u590d\u7528socket\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6esocket\u9009\u9879\uff0c\u5982<code>SO_KEEPALIVE<\/code>\uff0c\u6765\u786e\u4fdd\u8fde\u63a5\u5728\u7a7a\u95f2\u65f6\u4e0d\u4f1a\u88ab\u5173\u95ed\u3002\u4fdd\u6301\u8fde\u63a5\u7684\u597d\u5904\u662f\u51cf\u5c11\u4e86\u8fde\u63a5\u5efa\u7acb\u548c\u65ad\u5f00\u7684\u5f00\u9500\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6027\u80fd\u3002\u5728\u5177\u4f53\u5b9e\u73b0\u65f6\uff0c\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef\u7a0b\u5e8f\u4e2d\u5faa\u73af\u4f7f\u7528\u540c\u4e00\u4e2asocket\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u6bcf\u6b21\u90fd\u521b\u5efa\u65b0\u7684socket\u3002<\/p>\n<\/p>\n<p><p>\u4ee5\u4e0b\u662f\u8be6\u7ec6\u4ecb\u7ecdPython\u590d\u7528Socket\u8fde\u63a5\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4fdd\u6301\u8fde\u63a5<\/h3>\n<\/p>\n<p><p>\u4fdd\u6301\u8fde\u63a5\u662f\u6307\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4fdd\u6301\u4e00\u4e2a\u957f\u65f6\u95f4\u7684\u8fde\u63a5\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u65f6\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\u540c\u4e00\u4e2a\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><h4>1. \u4f7f\u7528SO_KEEPALIVE\u9009\u9879<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u8bbe\u7f6esocket\u7684<code>SO_KEEPALIVE<\/code>\u9009\u9879\uff0c\u53ef\u4ee5\u5728\u8fde\u63a5\u7a7a\u95f2\u65f6\u53d1\u9001\u5fc3\u8df3\u5305\uff0c\u786e\u4fdd\u8fde\u63a5\u7684\u5b58\u6d3b\u6027\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import socket<\/p>\n<h2><strong>\u521b\u5efasocket\u5bf9\u8c61<\/strong><\/h2>\n<p>sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n<h2><strong>\u8bbe\u7f6eSO_KEEPALIVE\u9009\u9879<\/strong><\/h2>\n<p>sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)<\/p>\n<h2><strong>\u8fde\u63a5\u5230\u670d\u52a1\u5668<\/strong><\/h2>\n<p>sock.connect((&#39;example.com&#39;, 80))<\/p>\n<h2><strong>\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e<\/strong><\/h2>\n<p>sock.send(b&#39;GET \/ HTTP\/1.1\\r\\nHost: example.com\\r\\n\\r\\n&#39;)<\/p>\n<p>response = sock.recv(4096)<\/p>\n<p>print(response)<\/p>\n<h2><strong>\u5173\u95ed\u8fde\u63a5<\/strong><\/h2>\n<p>sock.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u4f7f\u7528\u5faa\u73af\u590d\u7528socket<\/h4>\n<\/p>\n<p><p>\u5728\u5ba2\u6237\u7aef\u7a0b\u5e8f\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u4f7f\u7528\u540c\u4e00\u4e2asocket\u5bf9\u8c61\u6765\u4fdd\u6301\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import socket<\/p>\n<p>def m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n():<\/p>\n<p>    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n<p>    sock.connect((&#39;example.com&#39;, 80))<\/p>\n<p>    while True:<\/p>\n<p>        # \u53d1\u9001\u8bf7\u6c42<\/p>\n<p>        sock.send(b&#39;GET \/ HTTP\/1.1\\r\\nHost: example.com\\r\\n\\r\\n&#39;)<\/p>\n<p>        # \u63a5\u6536\u54cd\u5e94<\/p>\n<p>        response = sock.recv(4096)<\/p>\n<p>        print(response)<\/p>\n<p>        # \u4f11\u7720\u4e00\u6bb5\u65f6\u95f4\u540e\u7ee7\u7eed\u4f7f\u7528socket<\/p>\n<p>        time.sleep(10)<\/p>\n<p>    sock.close()<\/p>\n<p>if __name__ == &#39;__main__&#39;:<\/p>\n<p>    main()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u8fde\u63a5\u6c60<\/h3>\n<\/p>\n<p><p>\u8fde\u63a5\u6c60\u662f\u4e00\u79cd\u7ba1\u7406\u8fde\u63a5\u8d44\u6e90\u7684\u6280\u672f\uff0c\u901a\u8fc7\u521b\u5efa\u548c\u7ef4\u62a4\u4e00\u5b9a\u6570\u91cf\u7684\u8fde\u63a5\u5bf9\u8c61\uff0c\u907f\u514d\u9891\u7e41\u7684\u521b\u5efa\u548c\u9500\u6bc1\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><h4>1. \u4f7f\u7528\u8fde\u63a5\u6c60\u7ba1\u7406\u5e93<\/h4>\n<\/p>\n<p><p>\u53ef\u4ee5\u4f7f\u7528\u73b0\u6709\u7684\u8fde\u63a5\u6c60\u7ba1\u7406\u5e93\uff0c\u5982<code>DBUtils<\/code>\u3001<code>connectionpool<\/code>\u7b49\uff0c\u6765\u7ba1\u7406socket\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from connectionpool import ConnectionPool<\/p>\n<p>import socket<\/p>\n<h2><strong>\u521b\u5efa\u8fde\u63a5\u6c60<\/strong><\/h2>\n<p>pool = ConnectionPool(lambda: socket.create_connection((&#39;example.com&#39;, 80)), max_size=10)<\/p>\n<p>def send_request():<\/p>\n<p>    # \u4ece\u8fde\u63a5\u6c60\u4e2d\u83b7\u53d6\u8fde\u63a5<\/p>\n<p>    sock = pool.get()<\/p>\n<p>    try:<\/p>\n<p>        sock.send(b&#39;GET \/ HTTP\/1.1\\r\\nHost: example.com\\r\\n\\r\\n&#39;)<\/p>\n<p>        response = sock.recv(4096)<\/p>\n<p>        print(response)<\/p>\n<p>    finally:<\/p>\n<p>        # \u5c06\u8fde\u63a5\u653e\u56de\u8fde\u63a5\u6c60<\/p>\n<p>        pool.put(sock)<\/p>\n<h2><strong>\u53d1\u9001\u8bf7\u6c42<\/strong><\/h2>\n<p>for _ in range(20):<\/p>\n<p>    send_request()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u6301\u4e45\u5316\u8fde\u63a5<\/h3>\n<\/p>\n<p><p>\u6301\u4e45\u5316\u8fde\u63a5\u662f\u4e00\u79cd\u5728HTTP\u534f\u8bae\u4e2d\u5e38\u7528\u7684\u6280\u672f\uff0c\u901a\u8fc7\u5728HTTP\u5934\u4e2d\u6dfb\u52a0<code>Connection: keep-alive<\/code>\u5b57\u6bb5\uff0c\u901a\u77e5\u670d\u52a1\u5668\u4fdd\u6301\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import socket<\/p>\n<p>def main():<\/p>\n<p>    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n<p>    sock.connect((&#39;example.com&#39;, 80))<\/p>\n<p>    # \u6dfb\u52a0Connection: keep-alive\u5b57\u6bb5<\/p>\n<p>    request = b&#39;GET \/ HTTP\/1.1\\r\\nHost: example.com\\r\\nConnection: keep-alive\\r\\n\\r\\n&#39;<\/p>\n<p>    while True:<\/p>\n<p>        sock.send(request)<\/p>\n<p>        response = sock.recv(4096)<\/p>\n<p>        print(response)<\/p>\n<p>        time.sleep(10)<\/p>\n<p>    sock.close()<\/p>\n<p>if __name__ == &#39;__main__&#39;:<\/p>\n<p>    main()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u4f18\u5316\u8d85\u65f6\u8bbe\u7f6e<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u5408\u7406\u8bbe\u7f6esocket\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u53ef\u4ee5\u907f\u514d\u8fde\u63a5\u957f\u65f6\u95f4\u7a7a\u95f2\u5bfc\u81f4\u7684\u8d44\u6e90\u6d6a\u8d39\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import socket<\/p>\n<h2><strong>\u521b\u5efasocket\u5bf9\u8c61<\/strong><\/h2>\n<p>sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n<h2><strong>\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4<\/strong><\/h2>\n<p>sock.settimeout(30)<\/p>\n<h2><strong>\u8fde\u63a5\u5230\u670d\u52a1\u5668<\/strong><\/h2>\n<p>sock.connect((&#39;example.com&#39;, 80))<\/p>\n<h2><strong>\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e<\/strong><\/h2>\n<p>sock.send(b&#39;GET \/ HTTP\/1.1\\r\\nHost: example.com\\r\\n\\r\\n&#39;)<\/p>\n<p>response = sock.recv(4096)<\/p>\n<p>print(response)<\/p>\n<h2><strong>\u5173\u95ed\u8fde\u63a5<\/strong><\/h2>\n<p>sock.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4ee5\u4e0a\u5c31\u662fPython\u590d\u7528Socket\u8fde\u63a5\u7684\u51e0\u79cd\u65b9\u6cd5\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u53ef\u4ee5\u9009\u62e9\u9002\u5408\u7684\u65b9\u5f0f\u6765\u63d0\u9ad8\u8fde\u63a5\u7684\u590d\u7528\u6027\u548c\u6027\u80fd\u3002\u4fdd\u6301\u8fde\u63a5\u3001\u4f7f\u7528\u8fde\u63a5\u6c60\u3001\u6301\u4e45\u5316\u8fde\u63a5\u548c\u4f18\u5316\u8d85\u65f6\u8bbe\u7f6e\u90fd\u662f\u5e38\u7528\u7684\u6280\u672f\u624b\u6bb5\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u9009\u62e9\u548c\u7ec4\u5408\u4f7f\u7528\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0socket\u8fde\u63a5\u7684\u590d\u7528\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0csocket\u8fde\u63a5\u7684\u590d\u7528\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528<code>socket<\/code>\u6a21\u5757\u4e2d\u7684\u4e00\u4e9b\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\u901a\u5e38\uff0c\u53ef\u4ee5\u4f7f\u7528<code>setsockopt<\/code>\u51fd\u6570\u8bbe\u7f6e<code>SO_REUSEADDR<\/code>\u9009\u9879\uff0c\u8fd9\u6837\u5728\u8fde\u63a5\u5173\u95ed\u540e\uff0c\u65b0\u7684socket\u8fde\u63a5\u53ef\u4ee5\u8fc5\u901f\u91cd\u7528\u76f8\u540c\u7684\u5730\u5740\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">import socket\n\nsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\nsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)\nsock.bind((&#39;localhost&#39;, 12345))\nsock.listen(5)\n<\/code><\/pre>\n<p>\u8fd9\u6837\u8bbe\u7f6e\u540e\uff0c\u5f53socket\u5173\u95ed\u540e\uff0c\u65b0\u7684socket\u8fde\u63a5\u53ef\u4ee5\u7acb\u5373\u7ed1\u5b9a\u5230\u76f8\u540c\u7684\u5730\u5740\u548c\u7aef\u53e3\u3002<\/p>\n<p><strong>\u590d\u7528socket\u8fde\u63a5\u7684\u597d\u5904\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u590d\u7528socket\u8fde\u63a5\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u51cf\u5c11\u8fde\u63a5\u5efa\u7acb\u548c\u5173\u95ed\u7684\u65f6\u95f4\u5f00\u9500\u3002\u5bf9\u4e8e\u9ad8\u5e76\u53d1\u7684\u7f51\u7edc\u5e94\u7528\u6765\u8bf4\uff0c\u901a\u8fc7\u590d\u7528\u8fde\u63a5\uff0c\u53ef\u4ee5\u51cf\u5c11\u670d\u52a1\u5668\u7684\u8d1f\u62c5\uff0c\u964d\u4f4e\u8d44\u6e90\u6d88\u8017\uff0c\u63d0\u5347\u6574\u4f53\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u6b64\u5916\uff0c\u590d\u7528\u8fde\u63a5\u8fd8\u53ef\u4ee5\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<p><strong>\u5728\u591a\u7ebf\u7a0b\u6216\u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\u5982\u4f55\u5b89\u5168\u590d\u7528socket\u8fde\u63a5\uff1f<\/strong><br \/>\u5728\u591a\u7ebf\u7a0b\u6216\u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\u590d\u7528socket\u8fde\u63a5\u65f6\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u7ebf\u7a0b\u5b89\u5168\u548c\u8fdb\u7a0b\u5b89\u5168\u3002\u4f7f\u7528<code>threading.Lock<\/code>\u6216<code>multiprocessing.Lock<\/code>\u6765\u63a7\u5236\u5bf9socket\u7684\u8bbf\u95ee\uff0c\u53ef\u4ee5\u786e\u4fdd\u5728\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u5728\u4f7f\u7528\u8be5socket\uff0c\u4ece\u800c\u907f\u514d\u6570\u636e\u6df7\u4e71\u548c\u8fde\u63a5\u9519\u8bef\u3002\u540c\u65f6\uff0c\u5efa\u8bae\u5728\u6bcf\u4e2a\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u4e2d\u521b\u5efa\u81ea\u5df1\u7684socket\u5b9e\u4f8b\uff0c\u4ee5\u51cf\u5c11\u7ade\u4e89\u6761\u4ef6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u590d\u7528Socket\u8fde\u63a5\u7684\u65b9\u5f0f\u6709\u51e0\u79cd\uff0c\u5305\u62ec\uff1a\u4fdd\u6301\u8fde\u63a5\u3001\u4f7f\u7528\u8fde\u63a5\u6c60\u3001\u6301\u4e45\u5316\u8fde\u63a5\u3001\u4f18\u5316\u8d85\u65f6\u8bbe\u7f6e\u3002 \u4fdd\u6301\u8fde\u63a5 [&hellip;]","protected":false},"author":3,"featured_media":1024340,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1024325"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1024325"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1024325\/revisions"}],"predecessor-version":[{"id":1024344,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1024325\/revisions\/1024344"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1024340"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1024325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1024325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1024325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}