{"id":179594,"date":"2024-11-09T03:07:28","date_gmt":"2024-11-08T19:07:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179594\/"},"modified":"2024-11-09T03:07:29","modified_gmt":"2024-11-08T19:07:29","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-linux-%e4%b8%8b%e7%b7%a8%e8%ad%af-google-leveldb-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179594\/","title":{"rendered":"\u5982\u4f55\u5728 Linux \u4e0b\u7de8\u8b6f Google LevelDB \u6578\u64da\u5eab"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-linux-%e4%b8%8b%e7%b7%a8%e8%ad%af-google-leveldb-%e6%95%b8%e6%93%9a%e5%ba%ab-WfmClUYRBY\">\u5982\u4f55\u5728 Linux \u4e0b\u7de8\u8b6f Google LevelDB \u6578\u64da\u5eab<\/h1>\n<p>Google LevelDB \u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5c08\u70ba\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u800c\u8a2d\u8a08\u3002\u5b83\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5b58\u5132\u7684\u5834\u666f\u3002\u672c\u6587\u5c07\u6307\u5c0e\u60a8\u5982\u4f55\u5728 Linux \u74b0\u5883\u4e0b\u7de8\u8b6f Google LevelDB \u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u8a73\u7d30\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e5%89%8d%e6%9c%9f%e6%ba%96%e5%82%99-WfmClUYRBY\">\u524d\u671f\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u7de8\u8b6f LevelDB \u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684 Linux \u7cfb\u7d71\u4e0a\u5df2\u5b89\u88dd\u4ee5\u4e0b\u5de5\u5177\u548c\u5eab\uff1a<\/p>\n<ul>\n<li>Git\uff1a\u7528\u65bc\u5f9e GitHub \u7372\u53d6 LevelDB \u7684\u6e90\u4ee3\u78bc\u3002<\/li>\n<li>GCC\uff1aGNU \u7de8\u8b6f\u5668\u96c6\u5408\uff0c\u7528\u65bc\u7de8\u8b6f C++ \u4ee3\u78bc\u3002<\/li>\n<li>Make\uff1a\u7528\u65bc\u81ea\u52d5\u5316\u7de8\u8b6f\u904e\u7a0b\u7684\u5de5\u5177\u3002<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5b89\u88dd\u9019\u4e9b\u5de5\u5177\uff08\u4ee5 Ubuntu \u70ba\u4f8b\uff09\uff1a<\/p>\n<pre><code>sudo apt update\nsudo apt install git build-essential<\/code><\/pre>\n<h2 id=\"%e4%b8%8b%e8%bc%89-leveldb-%e6%ba%90%e4%bb%a3%e7%a2%bc-WfmClUYRBY\">\u4e0b\u8f09 LevelDB \u6e90\u4ee3\u78bc<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5f9e GitHub \u4e0b\u8f09 LevelDB \u7684\u6e90\u4ee3\u78bc\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u514b\u9686 LevelDB \u7684\u5b98\u65b9\u5eab\uff1a<\/p>\n<pre><code>git clone https:\/\/github.com\/google\/leveldb.git<\/code><\/pre>\n<p>\u9019\u5c07\u5728\u7576\u524d\u76ee\u9304\u4e0b\u5275\u5efa\u4e00\u500b\u540d\u70ba leveldb \u7684\u6587\u4ef6\u593e\uff0c\u88e1\u9762\u5305\u542b\u4e86\u6240\u6709\u7684\u6e90\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e7%b7%a8%e8%ad%af-leveldb-WfmClUYRBY\">\u7de8\u8b6f LevelDB<\/h2>\n<p>\u9032\u5165 leveldb \u76ee\u9304\u5f8c\uff0c\u60a8\u53ef\u4ee5\u958b\u59cb\u7de8\u8b6f LevelDB\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u5165\u8a72\u76ee\u9304\uff1a<\/p>\n<pre><code>cd leveldb<\/code><\/pre>\n<p>LevelDB \u4f7f\u7528 Makefile \u9032\u884c\u7de8\u8b6f\uff0c\u56e0\u6b64\u60a8\u53ea\u9700\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>make<\/code><\/pre>\n<p>\u9019\u5c07\u81ea\u52d5\u7de8\u8b6f LevelDB\uff0c\u4e26\u751f\u6210\u76f8\u61c9\u7684\u5eab\u6587\u4ef6\u3002\u5982\u679c\u7de8\u8b6f\u6210\u529f\uff0c\u60a8\u5c07\u770b\u5230\u985e\u4f3c\u65bc\u4ee5\u4e0b\u7684\u8f38\u51fa\uff1a<\/p>\n<pre><code>g++ -std=c++11 -O2 -fPIC -I. -I.\/include -c db\/db_impl.cc -o db\/db_impl.o\ng++ -shared -o libleveldb.so db\/db_impl.o ...<\/code><\/pre>\n<h2 id=\"%e6%b8%ac%e8%a9%a6-leveldb-WfmClUYRBY\">\u6e2c\u8a66 LevelDB<\/h2>\n<p>\u7de8\u8b6f\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u904b\u884c LevelDB \u63d0\u4f9b\u7684\u6e2c\u8a66\u4f86\u78ba\u4fdd\u4e00\u5207\u6b63\u5e38\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u904b\u884c\u6e2c\u8a66\uff1a<\/p>\n<pre><code>make test<\/code><\/pre>\n<p>\u5982\u679c\u6240\u6709\u6e2c\u8a66\u90fd\u901a\u904e\uff0c\u60a8\u5c07\u770b\u5230\u985e\u4f3c\u65bc\u4ee5\u4e0b\u7684\u8f38\u51fa\uff1a<\/p>\n<pre><code>Test Passed<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8-leveldb-WfmClUYRBY\">\u4f7f\u7528 LevelDB<\/h2>\n<p>\u73fe\u5728\uff0c\u60a8\u5df2\u7d93\u6210\u529f\u7de8\u8b6f\u4e26\u6e2c\u8a66\u4e86 LevelDB\u3002\u60a8\u53ef\u4ee5\u5728\u60a8\u7684 C++ \u9805\u76ee\u4e2d\u4f7f\u7528\u5b83\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 C++ \u4e2d\u4f7f\u7528 LevelDB\uff1a<\/p>\n<pre><code>#include \"leveldb\/db.h\"\n#include \n\nint main() {\n    leveldb::DB* db;\n    leveldb::Options options;\n    options.create_if_missing = true;\n\n    leveldb::Status status = leveldb::DB::Open(options, \"testdb\", &amp;db);\n    if (!status.ok()) {\n        std::cerr &lt;&lt; \"Unable to open\/create test database: \" &lt;&lt; status.ToString() &lt;&lt; std::endl;\n        return 1;\n    }\n\n    \/\/ \u5beb\u5165\u6578\u64da\n    db-&gt;Put(leveldb::WriteOptions(), \"key1\", \"value1\");\n\n    \/\/ \u8b80\u53d6\u6578\u64da\n    std::string value;\n    status = db-&gt;Get(leveldb::ReadOptions(), \"key1\", &amp;value);\n    if (status.ok()) {\n        std::cout &lt;&lt; \"Read value: \" &lt;&lt; value &lt;&lt; std::endl;\n    } else {\n        std::cerr &lt;&lt; \"Error reading value: \" &lt;&lt; status.ToString() &lt;&lt; std::endl;\n    }\n\n    delete db;\n    return 0;\n}<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u5275\u5efa\u4e00\u500b LevelDB \u6578\u64da\u5eab\uff0c\u5beb\u5165\u4e00\u500b\u9375\u503c\u5c0d\uff0c\u7136\u5f8c\u8b80\u53d6\u8a72\u503c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WfmClUYRBY\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 Linux \u74b0\u5883\u4e0b\u7de8\u8b6f Google LevelDB \u6578\u64da\u5eab\uff0c\u5f9e\u4e0b\u8f09\u6e90\u4ee3\u78bc\u5230\u7de8\u8b6f\u548c\u6e2c\u8a66\u7684\u5b8c\u6574\u904e\u7a0b\u3002LevelDB \u662f\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u5408\u9700\u8981\u5feb\u901f\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\u5834\u666f\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4f86\u904b\u884c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 Linux \u74b0\u5883\u4e2d\u7de8\u8b6f Google LevelDB \u6578\u64da\u5eab\uff0c\u6b65\u9a5f\u7c21\u55ae\uff0c\u9069\u5408\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u611b\u597d\u8005\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-179594","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=179594"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179594\/revisions"}],"predecessor-version":[{"id":179595,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179594\/revisions\/179595"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}