{"id":18666,"date":"2024-11-19T20:46:59","date_gmt":"2024-11-19T12:46:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/?p=18666"},"modified":"2024-11-19T20:46:59","modified_gmt":"2024-11-19T12:46:59","slug":"php%e4%b8%adzookeeper%e7%9a%84%e7%b1%bb%e4%b8%8e%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/18666\/","title":{"rendered":"PHP\u4e2dzookeeper\u7684\u7c7b\u4e0e\u65b9\u6cd5"},"content":{"rendered":"

__construct<\/span>(\u00a0$host<\/span>\u00a0=<\/span>\u00a0\u2018<\/span>\u2018<\/span><\/span>,\u00a0$watcher_cb<\/span>\u00a0=<\/span>\u00a0null<\/span>,\u00a0$recv_timeout<\/span>\u00a0=<\/span>\u00a010000<\/span>)<\/span><\/strong><\/h1>\n

$host<\/strong>\uff1azookeeper\u7684ip\u548c\u7aef\u53e3\uff0c\u591a\u7ec4\u4fe1\u606f\u4f7f\u7528,\u5206\u9694
\n$watcher_cb<\/strong>\uff1a\u5168\u5c40\u76d1\u542c\u51fd\u6570\uff0c\u4efb\u4f55\u7684\u76d1\u542c\u90fd\u4f1a\u6267\u884c\u8be5\u56de\u8c03\u51fd\u6570
\n$recv_timeout<\/strong>\uff1a\u4f1a\u8bdd\u8d85\u65f6\uff0c\u5728zookeeper\u7684\u670d\u52a1\u5668\u4e2d\u53ef\u4ee5\u8bbe\u7f6e minSessionTimeout\u548cmaxSessionTimeout\uff0c\u9650\u5236\u5ba2\u6237\u7aef\u8bbe\u7f6esession\u7684\u8d85\u65f6\u8303\u56f4
\n<\/span><\/span><\/p>\n

 <\/p>\n

$zookeeper = new Zookeeper(\"192.168.80.121:2181,192.168.80.122:2181,\r\n192.168.80.123:2181\",'globalWatcher',5000);\r\n$zookeeper->get('\/redis','redisWatcher');\r\n$zookeeper->get('\/rabbit','rabbitWatcher');\r\nfunction globalWatcher(){\r\n    echo \"global watcher\\n\";\r\n}\r\nfunction redisWatcher(){\r\n    echo \"redis watcher\\n\";\r\n    $GLOBALS['zookeeper']->get('\/redis','redisWatcher');\r\n}\r\nfunction rabbitWatcher(){\r\n    echo \"rabbit watcher\\n\";\r\n    $GLOBALS['zookeeper']->get('\/rabbit','rabbitWatcher');\r\n}\r\n\r\nwhile (true) {\r\n    echo \"\\n\";\r\n    sleep(2);\r\n}\r\n\r\n######################\r\n#\u5728zookeeper\u7684cli\u4e2d\u6267\u884c set \/rabbit abc \u548c set \/redis abc\r\nglobal watcher\r\nrabbit watcher\r\n\r\nglobal watcher\r\nredis watche<\/pre>\n
connect<\/span>(\u00a0$host<\/span>,\u00a0$watcher_cb<\/span>\u00a0=<\/span>\u00a0null<\/span>,\u00a0$recv_timeout<\/span>\u00a0=<\/span>\u00a010000<\/span>)
\n<\/span><\/h1>\n
\u53c2\u8003\uff1a__construct<\/p>\n
create<\/span>(\u00a0$path<\/span>,\u00a0$value<\/span>,\u00a0$acl<\/span>,\u00a0$flags<\/span>\u00a0=<\/span>\u00a0null<\/span>\u00a0)<\/span><\/h1>\n
$acl\uff1a<\/strong>\u53c2\u8003\uff1a\u8bf4\u8bf4Zookeeper\u4e2d\u7684ACL<\/p>\n
\u683c\u5f0f\uff1a$acl = [['scheme'=>'world', 'id'=>'anyone', 'perms'=>Zookeeper::PERM_ALL]];\r\n\r\n#\u4e3a\u4ec0\u4e48\u8fd9\u91cc\u662f\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6682\u65f6\u6ca1\u6709\u641e\u660e\u767d\uff0c\u4e5f\u8bb8\u662f\u4e3a\u4e86\u8bbe\u7f6e\u591a\u7ec4\u4e0d\u540c\u7684\u6743\u9650\u5427<\/pre>\n
scheme\u548cid\uff1a\u53c2\u8003\uff1a\u8bf4\u8bf4Zookeeper\u4e2d\u7684ACL<\/p>\n
\u5728PHP\u4e2dpermission\u4e2d\uff0c\u6709\u4ee5\u4e0b5\u79cd\uff0c\u5206\u522b\u5bf9\u5e94\u6587\u4e2d\u7684\u8bfb\u3001\u5199\u3001\u589e\u3001\u5220\u3001\u7ba1\u7406\u4ee5\u53ca\u5168\u90e8\u3002<\/p>\n
const PERM_READ\u00a0\u00a0 = 1;\r\nconst PERM_WRITE\u00a0 = 2;\r\nconst PERM_CREATE = 4;\r\nconst PERM_DELETE = 8;\r\nconst PERM_ADMIN\u00a0 = 16;\r\nconst PERM_ALL\u00a0\u00a0\u00a0 = 31;<\/pre>\n
$flags\uff1a<\/strong>\u53c2\u8003\uff1aZooKeeper\u539f\u7406\u53ca\u4f7f\u7528<\/p>\n
\u5728PHP\u4e2d\u7684$flags\uff0c\u6709\u4ee5\u4e0b\u4e24\u79cd\uff0c\u8fd9\u91cc\u6709\u4e2a\u6bd4\u8f83\u7279\u522b\u7684\u5199\u6cd5\u9700\u8981\u6ce8\u610f<\/p>\n
const EPHEMERAL = 1; #\u4e34\u65f6\u8282\u70b9\r\nconst SEQUENCE\u00a0 = 2; #\u6709\u5e8f\u8282\u70b9\r\n\r\nZookeeper::EPHEMERAL | Zookeeper::SEQUENCE \uff03\u7279\u522b\u6ce8\u610f\uff1a\u4e34\u65f6\u7684\u4e14\u6709\u5e8f\u7684\u8282\u70b9<\/pre>\n
# \u8ddd\u79bb\u8bf4\u660e\r\n$acl = [['scheme'=>'world', 'id'=>'anyone', 'perms'=>Zookeeper::PERM_ALL]];\r\n\r\n$znode = $zookeeper->create('\/redis01','abc',$acl); \r\n\/\/\u9ed8\u8ba4\u662f\u521b\u5efa\u6c38\u4e45\u8282\u70b9\r\n\r\n$znode = $zookeeper->create('\/redis02','abc',$acl,Zookeeper::EPHEMERAL); \r\n\/\/\u521b\u5efa\u4e34\u65f6\u8282\u70b9,\u4f46\u5728\u4f60\u811a\u672c\u7ed3\u675f\u540e,\u9a6c\u4e0a\u5220\u9664,\u5728cli\u4e2d\u4f7f\u7528ls \u770b\u4e0d\u5230\u8be5\u8282\u70b9\r\n\r\n$znode = $zookeeper->create('\/redis03','abc',$acl,Zookeeper::SEQUENCE); \r\n\/\/\u521b\u5efa\u6c38\u4e45\u7684\u6709\u5e8f\u8282\u70b9\r\n\r\n$znode = $zookeeper->create('\/redis04','abc',$acl,Zookeeper::EPHEMERAL | \r\nZookeeper::SEQUENCE); \r\n\/\/\u521b\u5efa\u4e34\u65f6\u6709\u5e8f\u8282\u70b9,\u540c\u6837\u5728ls\u770b\u4e0d\u5230\r\n\r\n\/\/ \u5982\u679c\u60f3\u8981\u5728cli\u4e2d\u770b\u5230\u4e34\u65f6\u8282\u70b9\uff0c\u53ef\u4ee5\u5728\u811a\u672csleep(10)\uff0c10\u79d2\u5185\u5728cli\u4e2d\u53ef\u4ee5\u770b\u5230\u4e34\u65f6\u8282\u70b9<\/pre>\n
delete<\/span>(\u00a0$path<\/span>,\u00a0$version<\/span>\u00a0=<\/span>\u00a0–1<\/span>\u00a0)<\/span><\/h1>\n
$version\uff1a\u4f1a\u8fdb\u884cversion\u68c0\u67e5\uff0c\u5982\u4e0b\u8868\u4e2d\u8282\u70b9\/wanda\u7684\u6570\u636e\u7248\u672c6\uff0c\u53ef\u91c7\u7528delete(\u2018\/wanda\u2019,6)\u6765\u5220\u9664\uff0c\u5982\u679c\u4f7f\u7528\u975e6\u7684\u7248\u672c\uff0c\u5219\u5220\u9664\u5931\u8d25\u3002<\/p>\n
\uff03\u4f7f\u7528get\u83b7\u5f97\u7684\u8282\u70b9\u4fe1\u606f\r\nabc\r\ncZxid = 0x20000014c\r\nctime = Wed Feb 08 08:49:05 UTC 2017\r\nmZxid = 0x200000152\r\nmtime = Wed Feb 08 08:52:53 UTC 2017\r\npZxid = 0x20000014c\r\ncversion = 0\r\ndataVersion = 6<\/strong>\r\naclVersion = 0 \/\/acl\u7248\u672c\uff0c\u5728setAcl\u4e2d\u4f1a\u4f7f\u7528\u5230<\/strong>\r\nephemeralOwner = 0x0\r\ndataLength = 3\r\nnumChildren = 0<\/pre>\n
set<\/span>(\u00a0$path<\/span>,\u00a0$data<\/span>,\u00a0$version<\/span>\u00a0=<\/span>\u00a0–1<\/span>,\u00a0&<\/span>$stat<\/span>\u00a0=<\/span>\u00a0null<\/span>\u00a0)<\/span><\/h1>\n
$version\uff1a\u53c2\u8003delete\u65b9\u6cd5
\n$stat\uff1a\u5728\u8bbe\u7f6e\u65f6\uff0c\u540c\u65f6\u8fd4\u56de\u8282\u70b9\u4fe1\u606f<\/p>\n
$znode = $zookeeper->set('\/redis','abc',-1,$stat);\r\nvar_dump($znode);\r\nvar_dump($stat);<\/pre>\n
\u00a0get<\/span>(\u00a0$path<\/span>,\u00a0$watcher_cb<\/span>\u00a0=<\/span>\u00a0null<\/span>,\u00a0&<\/span>$stat<\/span>\u00a0=<\/span>\u00a0null<\/span>,\u00a0$max_size<\/span>\u00a0=<\/span>\u00a00<\/span>)<\/span><\/h1>\n
$watcher_cb\uff1aget\u540e\u7684\u56de\u8c03\u51fd\u6570
\n$stat\uff1a\u53c2\u8003set\u65b9\u6cd5
\n$max_size\uff1a\u8fd4\u56de\u6700\u5927\u5b57\u7b26\u957f\u5ea6
\n<\/span><\/span><\/p>\n
$znode = $zookeeper->get('\/redis',null,$stat); \/\/\u8fd4\u56deabc\r\n$znode = $zookeeper->get('\/redis',null,$stat,1); \/\/\u8fd4\u56dea\r\nvar_dump($znode);\r\nvar_dump($stat);<\/pre>\n
getChildren<\/span>(\u00a0$path<\/span>,\u00a0$watcher_cb<\/span>\u00a0=<\/span>\u00a0null<\/span>\u00a0)<\/span><\/h1>\n
exists<\/span>(\u00a0$path<\/span>,\u00a0$watcher_cb<\/span>\u00a0=<\/span>\u00a0null<\/span>\u00a0)<\/span><\/h1>\n
getAcl<\/span>(\u00a0$path<\/span>\u00a0)<\/span><\/h1>\n
setAcl<\/span>(\u00a0$path<\/span>,\u00a0$version<\/span>,\u00a0$acls<\/span>\u00a0)<\/span><\/h1>\n
$version\uff1a\u53c2\u8003\uff1adelete\u65b9\u6cd5<\/p>\n
$acl = [['scheme'=>'world', 'id'=>'anyone', 'perms'=>Zookeeper::PERM_ALL]];\r\n$znode = $zookeeper->setAcl('\/redis',-1,$acl); \/\/\u4e0d\u6307\u5b9aACL\u7248\u672c\r\n$znode = $zookeeper->setAcl('\/redis',4,$acl); \/\/\u6307\u5b9aACL\u7248\u672c<\/pre>\n
getClientId<\/span>( )<\/span><\/h1>\n
setWatcher<\/span>(\u00a0$watcher_cb<\/span>\u00a0)<\/span><\/h1>\n
getState<\/span>( )<\/span><\/h1>\n
\u8fd4\u56de\u5f53\u524d\u5ba2\u6237\u7aef\u94fe\u63a5zookeeper\u7684\u72b6\u6001\u3002\u6210\u529f\u8fd4\u56de1\uff0c\u5931\u8d25\u8fd4\u56defalse<\/p>\n
getRecvTimeout<\/span>( )<\/span><\/h1>\n
addAuth<\/span>(\u00a0$scheme<\/span>,\u00a0$cert<\/span>,\u00a0$completion_cb<\/span>\u00a0=<\/span>\u00a0null<\/span>\u00a0)<\/span><\/h1>\n
\u5f85\u8865\u5145<\/p>\n
isRecoverable<\/span>( )<\/span><\/h1>\n
setLogStream<\/span>(\u00a0$file<\/span>\u00a0)<\/span><\/h1>\n
getResultMessage<\/span>( )<\/span><\/h1>\n
setDebugLevel<\/span>(\u00a0$level<\/span>\u00a0)<\/span><\/h1>\n
\u8bbe\u7f6e\u65e5\u5fd7\u7ea7\u522b\uff0c\u5728PHP\u4e2d\u6709\u56db\u79cd\u7ea7\u522b<\/p>\n
const LOG_LEVEL_ERROR = 1;\r\nconst LOG_LEVEL_WARN\u00a0 = 2;\r\nconst LOG_LEVEL_INFO\u00a0 = 3;\r\nconst LOG_LEVEL_DEBUG = 4;<\/pre>\n
setDeterministicConnOrder<\/span>(\u00a0$trueOrFalse<\/span>\u00a0)<\/span><\/h1>\n
PHP\u4e2dzookeeper\u7684\u8fd0\u884c\u5b9e\u4f8b\uff1a
\nhttps:\/\/github.com\/andreiz\/php-zookeeper\/blob\/master\/examples\/Zookeeper_Example.php<\/p>\n
zookeeper\u4e2d\u7684PHP API
\nhttps:\/\/github.com\/andreiz\/php-zookeeper\/blob\/master\/zookeeper-api.php<\/p>\n
zookeeper\u7684php\u6269\u5c55
\nhttps:\/\/github.com\/andreiz\/php-zookeeper<\/p>\n","protected":false},"excerpt":{"rendered":"
__construct(\u00a0$host\u00a0=\u00a0\u2018\u2018,\u00a0$watcher_cb\u00a0=\u00a0null,\u00a0$recv_timeout\u00a0=\u00a010000) $host\uff1azookeeper\u7684ip\u548c\u7aef\u53e3\uff0c\u591a\u7ec4\u4fe1\u606f\u4f7f\u7528,\u5206\u9694 $watcher_cb\uff1a\u5168\u5c40\u76d1\u542c\u51fd\u6570\uff0c\u4efb\u4f55\u7684\u76d1\u542c\u90fd\u4f1a\u6267\u884c\u8be5\u56de\u8c03\u51fd\u6570 $recv_timeout\uff1a\u4f1a\u8bdd\u8d85\u65f6\uff0c\u5728zookeeper\u7684\u670d\u52a1\u5668\u4e2d\u53ef\u4ee5\u8bbe\u7f6e minSessionTimeout\u548cmaxSessionTimeout\uff0c\u9650\u5236\u5ba2\u6237\u7aef\u8bbe\u7f6esession\u7684\u8d85\u65f6\u8303\u56f4   $zookeeper = new Zookeeper(“192.168.80.121:2181,192.168.80.122:2181, 192.168.80.123:2181”,’globalWatcher’,5000); $zookeeper->get(‘\/redis’,’redisWatcher’); $zookeeper->get(‘\/rabbit’,’rabbitWatcher’); function globalWatcher(){ echo “global watcher\\n”; } function redisWatcher(){ echo “redis watcher\\n”; $GLOBALS[‘zookeeper’]->get(‘\/redis’,’redisWatcher’); } function rabbitWatcher(){ echo “rabbit watcher\\n”; $GLOBALS[‘zookeeper’]->get(‘\/rabbit’,’rabbitWatcher’); } while (true) { echo “\\n”; sleep(2); } ###################### #\u5728zookeeper\u7684cli\u4e2d\u6267\u884c set \/rabbit abc \u548c set \/redis abc global watcher rabbit watcher global watcher […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-18666","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/18666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=18666"}],"version-history":[{"count":1,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/18666\/revisions"}],"predecessor-version":[{"id":18667,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/18666\/revisions\/18667"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=18666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=18666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=18666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}