1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
package acm
import (
"net/http"
"time"
"fmt"
"errors"
"io/ioutil"
"strings"
"encoding/base64"
"crypto/sha1"
"crypto/hmac"
"strconv"
"net/url"
)
type Client struct {
AccessKey string
SecretKey string
EndPoint string
NameSpace string
TimeOut int
LocalDataPath string
servers map[int]string
HttpClient *http.Client
}
func NewClient(options ...func(c *Client)) (*Client, error) {
client := &Client{
TimeOut: 30,
HttpClient: &http.Client{Timeout: 10 * time.Second},
servers: make(map[int]string),
}
for _, option := range options {
option(client)
}
err := client.initServer()
return client, err
}
func (c *Client) initServer() error {
if c.EndPoint == "" {
return errors.New("endpoint not empty")
}
resp, err := c.HttpClient.Get(fmt.Sprintf("http://%s:8080/diamond-server/diamond", c.EndPoint))
if err != nil {
return err
}
defer resp.Body.Close()
byt, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
body := strings.TrimSpace(string(byt))
if resp.StatusCode != 200 {
return errors.New(body)
}
servers := strings.Split(body, "\n")
for k, v := range servers {
if strings.Index(v, ":") == -1 {
c.servers[k] = v + ":8080"
} else {
c.servers[k] = v
}
}
return nil
}
//rand reutrn server
func (c *Client) getServer() string {
for _, v := range c.servers {
return v
}
return ""
}
func (c *Client) getSign(params []string) string {
signStr := strings.Join(params, "+")
hc := hmac.New(sha1.New, []byte(c.SecretKey))
hc.Write([]byte(signStr))
return base64.StdEncoding.EncodeToString(hc.Sum(nil))
}
func (c *Client) callApi(api string, params map[string]string, method string) (string, error) {
server := c.getServer()
if server == "" {
return "", errors.New("get server error")
}
timeStamp := strconv.FormatInt(time.Now().UnixNano(), 10)
timeStamp = timeStamp[:13]
spec := "?"
if strings.Index(api, "?") != -1 {
spec = "&"
}
var request *http.Request
var err error
query := url.Values{}
for k, v := range params {
query.Add(k, v)
}
if method == "GET" {
u := fmt.Sprintf("http://%s/%s%s%s", server, api, spec, query.Encode())
request, err = http.NewRequest(method, u, nil)
} else {
u := fmt.Sprintf("http://%s/%s", server, api)
request, err = http.NewRequest(method, u, strings.NewReader(query.Encode()))
}
if err != nil {
return "", err
}
request.Header.Add("Content-Type", "application/x-www-form-urlencoded; charset=utf-8")
request.Header.Add("Spas-AccessKey", c.AccessKey)
request.Header.Add("timeStamp", timeStamp)
if probe, has := params["Probe-Modify-Request"]; has {
request.Header.Add("longPullingTimeout", strconv.Itoa(c.TimeOut*1000))
request.Header.Add("Spas-Signature", c.getSign([]string{probe}))
c.HttpClient.Timeout = time.Duration(c.TimeOut+30) * time.Second
} else {
request.Header.Add("Spas-Signature", c.getSign([]string{c.NameSpace, params["group"], timeStamp}))
}
resp, err := c.HttpClient.Do(request)
if err != nil {
return "", err
}
defer resp.Body.Close()
byt, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "", err
}
byt, err = GbkToUtf8(byt)
if err != nil {
return "", err
}
body := string(byt)
if resp.StatusCode != 200 {
return "", errors.New("response error:" + body)
}
return body, nil
}
func (c *Client) GetServers() map[int]string {
return c.servers
}
func (c *Client) GetConfig(dataId, group string) (string, error) {
return c.callApi("diamond-server/config.co", map[string]string{
"tenant": c.NameSpace,
"dataId": dataId,
"group": group,
}, "GET")
}
func (c *Client) GetAllConfigs(pageNo, pageSize int) (string, error) {
return c.callApi("diamond-server/basestone.do?method=getAllConfigByTenant", map[string]string{
"pageNo": strconv.Itoa(pageNo),
"pageSize": strconv.Itoa(pageSize),
}, "GET")
}
func (c *Client) Publish(dataId, group, content string) (string, error) {
bt, err := Utf8ToGbk([]byte(content))
if err != nil {
return "", err
}
return c.callApi("diamond-server/basestone.do?method=syncUpdateAll", map[string]string{
"tenant": c.NameSpace,
"dataId": dataId,
"group": group,
"content": string(bt),
}, "POST")
}
func (c *Client) Subscribe(dataId, group, contentMd5 string) (string, error) {
probe := strings.Join([]string{dataId, group, contentMd5, c.NameSpace}, "\x02") + "\x01"
return c.callApi("diamond-server/config.co", map[string]string{
"Probe-Modify-Request": probe,
}, "POST")
}
func (c *Client) Delete(dateId, group string) (string, error) {
return c.callApi("diamond-server/datum.do?method=deleteAllDatums", map[string]string{
"tenant": c.NameSpace,
"dataId": dateId,
"group": group,
}, "POST")
}
|
