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zkwatcher a zookeeper demo

目前zookeeper 部署在10.81.13.45 机器上, 端口 9001-9006

1. build
cd zkwatcher
make
在当前目录下面生成一个 zkwatcher 的执行文件.

2. 运行 ./zkwatcher
默认会在创建 /zkwatcher 节点.
并且监听 /zkwatcher 下子节点的创建, 删除以及修改

$ ./zkwatcher
    zoo_create /zkwatcher node
    create_root /zkwatcher already create
    Start watcher /zkwatcher children node
    add_children_watch_on path: /zkwatcher

3. 使用zookeeper客户端工具cli_mt
$ cd libs/zookeeper/bin/
$ ls  
    cli_mt  cli_st  load_gen    
$ ./cli_mt 10.81.13.45:9001
Watcher SESSION_EVENT state = CONNECTED_STATE
Got a new session id: 0x14347f752200010

可以通过输入help来获取帮助信息.
    create [+[e|s]] <path>
    delete <path>
    set <path> <data>
    get <path>
    ls <path>
    ls2 <path>
    sync <path>
    exists <path>
    wexists <path>
    myid
    verbose
    addauth <id> <scheme>
    quit

    prefix the command with the character 'a' to run the command asynchronously.
    run the 'verbose' command to toggle verbose logging.
    i.e. 'aget /foo' to get /foo asynchronously

create 创建节点
delete 删除节点
set 设置节点
get 获取节点的数据

4. 使用cli_mt
在cli_mt里面输入
ls /zkwatcher  // 获取/zkwatcher 节点子节点的信息
create /zkwatcher/item1     // 创建子节点item1
create /zkwatcher/item2    //  创建子节点item1
ls /zkwatcher       // 查看
set /zkwatcher/item1 value1   // 设置 item1 数据
set /zkwatcher/item2 value1   // 设置 item2 数据
get /zkwatcher/item1    // 获取item1节点数据

在设置 /zkwatcher 子节点数据的时候可以观察一下 zkwatcher 的日志, 查看修改的节点信息

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zookeeper demo for c

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