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read.go
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read.go
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package aliyun_igraph_go_sdk
import (
"errors"
"net"
"net/url"
)
var (
localIp net.IP
queryIP string
configStr = "config{outfmt=json&no_cache=false&cache_only=false}"
)
func init() {
localIp, _ = LocalIP()
if localIp != nil {
queryIP = "ip=127.0.0.1"
} else {
queryIP = "ip=" + localIp.String()
}
}
type ReadRequest struct {
QueryString string `json:"query_string"`
QueryParams map[string]string `json:"query_params"`
}
func (r *ReadRequest) Validate() error {
if len(r.QueryString) == 0 {
return InvalidParamsError{"Empty query string"}
}
return nil
}
func (r *ReadRequest) AddQueryParam(key string, value string) *ReadRequest {
r.QueryParams[key] = value
return r
}
func (r *ReadRequest) SetQueryParams(params map[string]string) *ReadRequest {
r.QueryParams = params
return r
}
func (r *ReadRequest) BuildUri() string {
rawUrl := queryIP + "?" + url.QueryEscape(configStr+"&&"+r.QueryString)
return rawUrl
}
func LocalIP() (net.IP, error) {
ifaces, err := net.Interfaces()
if err != nil {
return nil, err
}
for _, i := range ifaces {
addrs, err := i.Addrs()
if err != nil {
return nil, err
}
for _, addr := range addrs {
var ip net.IP
switch v := addr.(type) {
case *net.IPNet:
ip = v.IP
case *net.IPAddr:
ip = v.IP
}
return ip, nil
}
}
return nil, errors.New("no IP")
}