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80 lines
1.6 KiB
80 lines
1.6 KiB
package core
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import (
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"aufs/db"
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"encoding/json"
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"log"
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"net/http"
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"net/rpc/jsonrpc"
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)
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// 返回json数据
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type SysResp struct {
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Status int `json:"status"`
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Message string `json:"message"`
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Data Syslist `json:"data"`
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}
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// 定义返回的list 结构
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type Syslist struct {
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Slist []SysInfo `json:"slist"`
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}
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// 返回的结构
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type SysInfo struct {
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Addr string `json:"addr"`
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Port string `json:"port"`
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Resp string `json:"resp"`
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}
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// 系统监控
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// 从数据库中读取相关记录并利用jsonrpc 请求结果
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func SysMonitor(w http.ResponseWriter, r *http.Request) {
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db.Init()
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// 查询状态为1的列表
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scslist := db.GetlScList(1)
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//
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var rsdata Syslist
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var sinfo SysInfo
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// todo 待优化
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for _, sc := range scslist {
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// 利用jsonrpc 请求结果
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// 构建访问的链接
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ser := sc.Addr + ":" + sc.Port
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// 链接服务
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client, err := jsonrpc.Dial("tcp", ser)
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// 发生错误，执行下一个
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if err != nil {
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log.Fatalf("Dial SysMonitor failed: %v\n", err)
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}
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//
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defer client.Close()
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if client != nil {
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// 返回的是pb字符串
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var resp string
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// 调用远程方法 SysmonitorService.GetSysInfo
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client.Call("SysmonitorService.GetSysInfo", nil, &resp)
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// 构建json结构的字符串
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sinfo = SysInfo{
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Addr: sc.Addr,
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Port: sc.Port,
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Resp: resp,
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}
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// 添加到rsdata
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rsdata.Slist = append(rsdata.Slist, sinfo)
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} else {
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continue
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}
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}
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// 生成json数据
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sysresp := SysResp{
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Status: 0,
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Message: "success",
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Data: rsdata,
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}
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// 增加跨域
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uCorsHadler(w, r)
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json.NewEncoder(w).Encode(sysresp)
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}
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