{"id":376,"date":"2019-11-09T21:01:47","date_gmt":"2019-11-09T13:01:47","guid":{"rendered":"https:\/\/www.ccagml.com\/?p=376"},"modified":"2021-04-27T21:22:51","modified_gmt":"2021-04-27T13:22:51","slug":"redis%e6%ba%90%e7%a0%81%e4%bb%8emain%e5%bc%80%e5%a7%8b3","status":"publish","type":"post","link":"https:\/\/www.ccagml.com\/?p=376","title":{"rendered":"redis\u6e90\u7801\u4ecemain\u5f00\u59cb3"},"content":{"rendered":"\n<ul><li>redis\u6e90\u7801\u4ecemain\u5f00\u59cb2\u4e2d\u521b\u5efa\u4e86\u76d1\u542c\u5f53\u6709\u65b0\u7684tcp\u8fde\u63a5\u4e0eredis\u670d\u52a1\u7aef\u5efa\u7acb\u8fde\u63a5\u65f6, acceptTcpHandler\u4f1a\u4e3a\u8be5\u8fde\u63a5\u521b\u5efa\u4e00\u4e2a\u64cd\u4f5credis\u7684\u5ba2\u6237\u7aef, \u5e76\u4e14\u4e3a\u8be5\u8fde\u63a5\u52a0\u4e0a\u65b0\u7684\u540e\u7eed\u5904\u7406\u8be5\u94fe\u63a5\u8bf7\u6c42\u7684readQueryFromClient\u65b9\u6cd5<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>\n\/\/ src\/redis.c\n\nvoid initServer()\n{\n    \/\/......\n    \/\/ \u521b\u5efa\u65b0\u8fde\u63a5\u7684\u5904\u7406\u5668 acceptTcpHandler\n    aeCreateFileEvent(server.el, server.ipfd[j], AE_READABLE, acceptTcpHandler, NULL) == AE_ERR\n    \/\/......\n}\n\n\/\/ src\/networking.c\n\/* \n * \u521b\u5efa\u4e00\u4e2a TCP \u8fde\u63a5\u5904\u7406\u5668\n *\/\nvoid acceptTcpHandler(aeEventLoop *el, int fd, void *privdata, int mask)\n{\n    \/\/ \u63a5\u6536\u65b0\u8fde\u63a5,\u83b7\u53d6\u65b0\u8fde\u63a5\u7684\u7f16\u53f7\n    cfd = anetTcpAccept(server.neterr, fd, cip, sizeof(cip), &amp;cport);\n    \/\/ \u4e3a\u65b0\u7684\u7f16\u53f7\u521b\u5efa\u64cd\u4f5credis\u7684\u5ba2\u6237\u7aef\n    acceptCommonHandler(cfd, 0);\n}\n\nstatic void acceptCommonHandler(int fd, int flags)\n{\n\n    \/\/ \u521b\u5efa\u5ba2\u6237\u7aef\n    redisClient *c;\n    (c = createClient(fd)) == NULL\n}\n\n\/*\n * \u521b\u5efa\u4e00\u4e2a\u65b0\u5ba2\u6237\u7aef\n *\/\nredisClient *createClient(int fd)\n{\n\n    \/\/ \u4e0d\u7b49\u4e8e-1\u4e3a \u521b\u5efa\u6709\u7f51\u7edc\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\n    if (fd != -1)\n    {\n        \/\/ \u5c06\u8be5\u8fde\u63a5\u7684\u5904\u7406\u65b9\u6cd5\u6362\u6210readQueryFromClient\u65b9\u6cd5\n        aeCreateFileEvent(server.el, fd, AE_READABLE, readQueryFromClient, c) == AE_ERR\n    }\n\n    \/\/ \u4e00\u4e9b\u8bbe\u7f6e\u5c5e\u6027....\n\n    \/\/ \u8fd4\u56de\u5ba2\u6237\u7aef\n    return c;\n}\n\n\/*\n * \u5f53\u5ba2\u6237\u7aef\u6709\u65b0\u7684\u6d88\u606f\u5230\u8fbe\u65f6,readQueryFromClient\u8fd9\u91cc\u4f1a\u5904\u7406\u8bf7\u6c42\n *\/\nvoid readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask)\n{\n\n    processInputBuffer(c);\n}\n<\/code><\/pre>\n\n\n\n<p><a href=\"https:\/\/download.redis.io\/releases\/redis-3.0.0.tar.gz\" target=\"_blank\" rel=\"noopener\">\u57fa\u4e8e\u7248\u672c3.0.0\u7248\u672c,<\/a>\u70b9\u51fb\u4e0b\u8f7dhttps:\/\/download.redis.io\/releases\/redis-3.0.0.tar.gz<\/p>\n\n\n\n<p><a href=\"https:\/\/www.ccagml.com\/?p=376\">\u672c\u6587\u5730\u5740<\/a>\uff0chttps:\/\/www.ccagml.com\/?p=376<\/p>\n","protected":false},"excerpt":{"rendered":"<p>redis\u6e90\u7801\u4ecemain\u5f00\u59cb2\u4e2d\u521b\u5efa\u4e86\u76d1\u542c\u5f53\u6709\u65b0\u7684tcp\u8fde\u63a5\u4e0eredis\u670d\u52a1\u7aef\u5efa\u7acb\u8fde\u63a5\u65f6, acceptTcp<a href=\"https:\/\/www.ccagml.com\/?p=376\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">redis\u6e90\u7801\u4ecemain\u5f00\u59cb3<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[31,22],"tags":[],"_links":{"self":[{"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/posts\/376"}],"collection":[{"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=376"}],"version-history":[{"count":2,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/posts\/376\/revisions"}],"predecessor-version":[{"id":378,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/posts\/376\/revisions\/378"}],"wp:attachment":[{"href":"https:\/\/www.ccagml.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}