func getQuote(symbol string) float64 {
// set http timeout
client := http.Client{Timeout: timeout}
url := fmt.Sprintf("http://finance.yahoo.com/webservice/v1/symbols/%s/quote?format=json", symbol)
res, err := client.Get(url)
if err != nil {
fmt.Errorf("Stocks cannot access the yahoo finance API: %v", err)
}
defer res.Body.Close()
content, err := ioutil.ReadAll(res.Body)
if err != nil {
fmt.Errorf("Stocks cannot read json body: %v", err)
}
var stock Stock
err = json.Unmarshal(content, &stock)
if err != nil {
fmt.Errorf("Stocks cannot parse the json data: %v", err)
}
price, err := strconv.ParseFloat(stock.List.Resources[0].Resource.Fields.Price, 64)
if err != nil {
fmt.Errorf("Stock price: %v", err)
}
return price
}
func authenticateWithBackend(req *http.Request) (bool, error) {
auth, authExists := req.Header["Authorization"]
if authExists && isCached(auth[0]) {
return true, nil
}
var r *http.Request
var err error
var resp *http.Response
r, err = http.NewRequest("GET", planio_url, nil)
if err != nil {
return false, err
}
r.Header["Authorization"] = auth
client := http.Client{}
resp, err = client.Do(r)
if err != nil {
return false, err
}
resp.Body.Close()
if resp.StatusCode == 200 {
if authExists {
addToCache(auth[0])
}
return true, nil
}
return false, nil
}
func getAppID(client *http.Client, url string) (string, error) {
// Generate a pseudo-random token for handshaking.
token := strconv.Itoa(rand.New(rand.NewSource(time.Now().UnixNano())).Int())
resp, err := client.Get(fmt.Sprintf("%s?rtok=%s", url, token))
if err != nil {
return "", err
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if resp.StatusCode != http.StatusOK {
return "", fmt.Errorf("bad response %d; body: %q", resp.StatusCode, body)
}
if err != nil {
return "", fmt.Errorf("failed reading response: %v", err)
}
// Check the token is present in response.
if !bytes.Contains(body, []byte(token)) {
return "", fmt.Errorf("token not found: want %q; body %q", token, body)
}
match := appIDRE.FindSubmatch(body)
if match == nil {
return "", fmt.Errorf("app ID not found: body %q", body)
}
return string(match[1]), nil
}
func IsLeaderAlive(currentLeader string) {
if retryCount > 0 {
fmt.Println("Trying......", retryCount)
transport := http.Transport{
Dial: dialTimeout,
}
client := http.Client{
Transport: &transport,
}
url := fmt.Sprintf("http://localhost:%s/isalive", currentLeader)
res, err := client.Get(url)
if err != nil {
time.Sleep(5000 * time.Millisecond)
retryCount--
IsLeaderAlive(currentLeader)
}
fmt.Println("Response Status:", res.StatusCode)
if res.StatusCode == 200 {
time.Sleep(5000 * time.Millisecond)
IsLeaderAlive(currentLeader)
}
} else {
resp, _ := http.Get("http://localhost:9999/flushall")
resp.Body.Close()
initiateElection()
}
}
func postJSON(jsonMessage []byte, url string) (*http.Response, error) {
timeout := time.Duration(5 * time.Second)
client := http.Client{
Timeout: timeout,
}
return client.Post(url, contentTypeJSON, bytes.NewBuffer(jsonMessage))
}
func (self *ServerSuite) TestSslSupport(c *C) {
data := `
[{
"points": [
["val1", 2]
],
"name": "test_sll",
"columns": ["val_1", "val_2"]
}]`
self.serverProcesses[0].Post("/db/test_rep/series?u=paul&p=pass", data, c)
encodedQuery := url.QueryEscape("select * from test_sll")
fullUrl := fmt.Sprintf("https://localhost:60503/db/test_rep/series?u=paul&p=pass&q=%s", encodedQuery)
transport := &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
client := http.Client{
Transport: transport,
}
resp, err := client.Get(fullUrl)
c.Assert(err, IsNil)
defer resp.Body.Close()
c.Assert(resp.StatusCode, Equals, http.StatusOK)
body, err := ioutil.ReadAll(resp.Body)
c.Assert(err, IsNil)
var js []*common.SerializedSeries
err = json.Unmarshal(body, &js)
c.Assert(err, IsNil)
collection := ResultsToSeriesCollection(js)
series := collection.GetSeries("test_sll", c)
c.Assert(len(series.Points) > 0, Equals, true)
}
func TestWatchHTTPAccept(t *testing.T) {
simpleStorage := &SimpleRESTStorage{}
handler := handle(map[string]rest.Storage{"simples": simpleStorage})
server := httptest.NewServer(handler)
defer server.Close()
client := http.Client{}
dest, _ := url.Parse(server.URL)
dest.Path = "/" + prefix + "/" + testGroupVersion.Group + "/" + testGroupVersion.Version + "/watch/simples"
dest.RawQuery = ""
request, err := http.NewRequest("GET", dest.String(), nil)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
request.Header.Set("Accept", "application/XYZ")
response, err := client.Do(request)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
// TODO: once this is fixed, this test will change
if response.StatusCode != http.StatusNotAcceptable {
t.Errorf("Unexpected response %#v", response)
}
}
func submitVded(host string, metricName string, value int64) (e error) {
if *vdedServer == "" {
return errors.New("No VDED server, cannot continue")
}
url := fmt.Sprintf("http://%s:48333/vector?host=%s&vector=delta_%s&value=%d&ts=%d&submit_metric=1", *vdedServer, host, metricName, value, time.Now().Unix())
log.Debug("VDED: " + url)
c := http.Client{
Transport: &http.Transport{
Dial: timeoutDialer(time.Duration(5) * time.Second),
},
}
resp, err := c.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
log.Debug("VDED returned: " + string(body))
return
}
func asyncHttpGets(urls []string) []*HttpResponse {
ch := make(chan *HttpResponse)
responses := []*HttpResponse{}
client := http.Client{}
for _, url := range urls {
go func(url string) {
fmt.Printf("Fetching %s \n", url)
resp, err := client.Get(url)
ch <- &HttpResponse{url, resp, err}
if err != nil && resp != nil && resp.StatusCode == http.StatusOK {
resp.Body.Close()
}
}(url)
}
for {
select {
case r := <-ch:
fmt.Printf("%s was fetched\n", r.url)
if r.err != nil {
fmt.Println("with an error", r.err)
}
responses = append(responses, r)
if len(responses) == len(urls) {
return responses
}
case <-time.After(50 * time.Millisecond):
fmt.Printf(".")
}
}
return responses
}
func v1CompatBroadcast(
ctx *grader.Context,
client *http.Client,
message *broadcaster.Message,
) error {
marshaled, err := json.Marshal(message)
if err != nil {
return err
}
resp, err := client.Post(
"https://localhost:32672/broadcast/",
"text/json",
bytes.NewReader(marshaled),
)
if err != nil {
return err
}
if resp.StatusCode != 200 {
return fmt.Errorf(
"Request to broadcast failed with error code %d",
resp.StatusCode,
)
}
return nil
}
func (g *Adaptor) ExpireTokens(userID int) error {
request := ExpireTokenRequest{Action: "all"}
gandalfUrl := fmt.Sprintf("http://%s:%d/expire/%d", g.GandalfHost, g.GandalfPort, userID)
client := http.Client{}
marshalledReq, err := json.Marshal(request)
if err != nil {
return err
}
req, err := http.NewRequest("POST", gandalfUrl, bytes.NewBuffer(marshalledReq))
if err != nil {
return err
}
resp, err := client.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return errors.New("failed to expire tokens")
}
return nil
}
// GetCookieConfig returns settings needed to set a Crowd SSO cookie.
func (c *Crowd) GetCookieConfig() (CookieConfig, error) {
cc := CookieConfig{}
client := http.Client{Jar: c.cookies}
req, err := http.NewRequest("GET", c.url+"rest/usermanagement/1/config/cookie", nil)
if err != nil {
return cc, err
}
req.SetBasicAuth(c.user, c.passwd)
req.Header.Set("Accept", "application/xml")
req.Header.Set("Content-Type", "application/xml")
resp, err := client.Do(req)
if err != nil {
return cc, err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return cc, fmt.Errorf("request failed: %s\n", resp.Status)
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return cc, err
}
err = xml.Unmarshal(body, &cc)
if err != nil {
return cc, err
}
return cc, nil
}
func getLeaderStatus(tr *http.Transport, endpoints []string) (string, raftStatus, error) {
// TODO: use new etcd client
httpclient := http.Client{
Transport: tr,
}
for _, ep := range endpoints {
resp, err := httpclient.Get(ep + "/debug/vars")
if err != nil {
continue
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
continue
}
vs := &vars{}
d := json.NewDecoder(resp.Body)
err = d.Decode(vs)
if err != nil {
continue
}
if vs.RaftStatus.Lead != vs.RaftStatus.ID {
continue
}
return ep, vs.RaftStatus, nil
}
return "", raftStatus{}, errors.New("no leader")
}
// PublicKey requests a shadowfax server's public key. An error is returned
// if the server URL is not https.
func PublicKey(serverURL string, client *http.Client) (*sf.PublicKey, error) {
u, err := url.Parse(serverURL)
if err != nil {
return nil, errgo.Mask(err, errgo.Any)
}
if u.Scheme != "https" {
return nil, errgo.Newf("public key must be requested with https")
}
if client == nil {
client = http.DefaultClient
}
req, err := http.NewRequest("GET", serverURL+"/publickey", nil)
if err != nil {
return nil, errgo.Mask(err)
}
resp, err := client.Do(req)
if err != nil {
return nil, errgo.Mask(err)
}
defer resp.Body.Close()
dec := json.NewDecoder(resp.Body)
var publicKeyResp wire.PublicKeyResponse
err = dec.Decode(&publicKeyResp)
if err != nil {
return nil, errgo.Mask(err)
}
publicKey, err := sf.DecodePublicKey(publicKeyResp.PublicKey)
if err != nil {
return nil, errgo.Mask(err)
}
return publicKey, nil
}
// makeRequest is a wrapper function used for making DNS API requests
func (c *DNSProvider) makeRequest(method, uri string, body io.Reader) (json.RawMessage, error) {
url := c.cloudDNSEndpoint + uri
req, err := http.NewRequest(method, url, body)
if err != nil {
return nil, err
}
req.Header.Set("X-Auth-Token", c.token)
req.Header.Set("Content-Type", "application/json")
client := http.Client{Timeout: 30 * time.Second}
resp, err := client.Do(req)
if err != nil {
return nil, fmt.Errorf("Error querying DNS API: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusAccepted {
return nil, fmt.Errorf("Request failed for %s %s. Response code: %d", method, url, resp.StatusCode)
}
var r json.RawMessage
err = json.NewDecoder(resp.Body).Decode(&r)
if err != nil {
return nil, fmt.Errorf("JSON decode failed for %s %s. Response code: %d", method, url, resp.StatusCode)
}
return r, nil
}
// WaitHTTP waits until http available
func (c *Container) WaitHTTP(port int, path string, timeout time.Duration) int {
p := c.ports[port]
if p == 0 {
log.Fatalf("port %d is not exposed on %s", port, c.image)
}
now := time.Now()
end := now.Add(timeout)
for {
cli := http.Client{Timeout: timeout}
res, err := cli.Get("http://" + c.Addr(port) + path)
if err != nil {
if time.Now().After(end) {
log.Fatalf("http not available on port %d for %s err:%v", port, c.image, err)
}
// sleep 1 sec to retry
time.Sleep(1 * time.Second)
continue
}
defer res.Body.Close()
if res.StatusCode < 200 || res.StatusCode >= 300 {
if time.Now().After(end) {
log.Fatalf("http has not valid status code on port %d for %s code:%d", port, c.image, res.StatusCode)
}
// sleep 1 sec to retry
time.Sleep(1 * time.Second)
continue
}
break
}
return p
}
func normalGet(method string, c *http.Client, url *url.URL) {
if c == nil {
c = http.DefaultClient
}
if *verbose {
log.Printf("%s %s", method, url)
}
req, err := http.NewRequest(method, url.String(), nil)
if err != nil {
log.Fatal(err)
}
resp, err := c.Do(req)
if err != nil {
log.Fatal(err)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Fatal(err)
}
if !(resp.StatusCode >= 200 && resp.StatusCode <= 399) {
log.Fatalf("Error: HTTP %d: %s.", resp.StatusCode, body)
}
fmt.Println(string(body))
}
func HandleCompletedTask(logger lager.Logger, httpClient *http.Client, taskDB db.TaskDB, task *models.Task) {
logger = logger.Session("handle-completed-task", lager.Data{"task_guid": task.TaskGuid})
if task.CompletionCallbackUrl != "" {
modelErr := taskDB.ResolvingTask(logger, task.TaskGuid)
if modelErr != nil {
logger.Error("marking-task-as-resolving-failed", modelErr)
return
}
logger = logger.WithData(lager.Data{"callback_url": task.CompletionCallbackUrl})
json, err := json.Marshal(&models.TaskCallbackResponse{
TaskGuid: task.TaskGuid,
Failed: task.Failed,
FailureReason: task.FailureReason,
Result: task.Result,
Annotation: task.Annotation,
CreatedAt: task.CreatedAt,
})
if err != nil {
logger.Error("marshalling-task-failed", err)
return
}
var statusCode int
for i := 0; i < MAX_CB_RETRIES; i++ {
request, err := http.NewRequest("POST", task.CompletionCallbackUrl, bytes.NewReader(json))
if err != nil {
logger.Error("building-request-failed", err)
return
}
request.Header.Set("Content-Type", "application/json")
response, err := httpClient.Do(request)
if err != nil {
matched, _ := regexp.MatchString("Client.Timeout|use of closed network connection", err.Error())
if matched {
continue
}
logger.Error("doing-request-failed", err)
return
}
defer response.Body.Close()
statusCode = response.StatusCode
if shouldResolve(statusCode) {
modelErr := taskDB.DeleteTask(logger, task.TaskGuid)
if modelErr != nil {
logger.Error("delete-task-failed", modelErr)
}
return
}
}
logger.Info("callback-failed", lager.Data{"status_code": statusCode})
}
return
}
func test() {
var client *http.Client
tr := &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
client = &http.Client{tr, nil, nil, 0 * time.Second}
req, err := http.NewRequest("GET", "", nil)
if err != nil {
fmt.Println("response: ", err)
return
}
resp, err := client.Do(req)
if err != nil {
fmt.Println("response2: ", err)
return
}
reader := bufio.NewReader(resp.Body)
defer resp.Body.Close()
//delim := []byte("\n")
for {
line, err := reader.ReadString('\n')
if err != nil {
fmt.Println("response3: ", err)
return
} else {
fmt.Printf("resp:%s\n", line)
}
}
}
// Do sends an HTTP request with the provided http.Client and returns an HTTP response.
// If the client is nil, http.DefaultClient is used.
// If the context is canceled or times out, ctx.Err() will be returned.
func Do(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) {
if client == nil {
client = http.DefaultClient
}
// Request cancelation changed in Go 1.5, see cancelreq.go and cancelreq_go14.go.
cancel := canceler(client, req)
type responseAndError struct {
resp *http.Response
err error
}
result := make(chan responseAndError, 1)
go func() {
resp, err := client.Do(req)
result <- responseAndError{resp, err}
}()
select {
case <-ctx.Done():
cancel()
return nil, ctx.Err()
case r := <-result:
return r.resp, r.err
}
}
func GrantVoteResponse(rw http.ResponseWriter, req *http.Request, p httprouter.Params) {
vote = p.ByName("vote")
//ch <- 1
fmt.Println("Vote received:", vote)
if vote == "true" {
voteCount++
}
fmt.Println(voteCount)
if voteCount > total/2 && state != "leader" {
fmt.Println("Leader....")
state = "leader"
myDetails := MyDetails{}
myDetails.IsLeader = true
myDetails.IP = "localhost" //enter the IP address
myDetails.Port = "3001" //enter the port number
myDeatilsInJSON, _ := json.Marshal(myDetails)
myDetailsBuff := new(bytes.Buffer)
err := binary.Write(myDetailsBuff, binary.BigEndian, &myDeatilsInJSON)
if err != nil {
fmt.Errorf("Error in request API: %v", err)
}
url := fmt.Sprintf("http://localhost:9999/setleader")
client := http.Client{}
req, _ := http.NewRequest("POST", url, myDetailsBuff)
res, _ := client.Do(req)
res.Body.Close()
NotifyFollowers() //DK
}
}
// not follow redirect....
func Gethtml3(url string) {
client := new(http.Client)
request, _ := http.NewRequest("GET", "http://www.baidu.com", nil)
request.Header.Add("Accept-Encoding", "gzip")
response, _ := client.Do(request)
defer response.Body.Close()
for k, v := range response.Header {
fmt.Println(k)
fmt.Println(v)
}
// Check that the server actually sent compressed data
var reader io.ReadCloser
switch response.Header.Get("Content-Encoding") {
case "gzip":
fmt.Println("XXXXXXXXXX gzip")
reader, _ = gzip.NewReader(response.Body)
defer reader.Close()
default:
reader = response.Body
}
var s string
if b, err := ioutil.ReadAll(reader); err == nil {
s = string(b)
}
println(s)
}
// Check if docker (or dogestry) is running on the endpoint
func ServerCheck(host string, port int, timeout time.Duration, docker bool) bool {
url := fmt.Sprintf("http://%v:%v/version", host, port)
if !docker {
url = fmt.Sprintf("http://%v:%v/status/check", host, port)
}
client := http.Client{
Timeout: timeout,
}
resp, getErr := client.Get(url)
if getErr != nil {
return false
}
defer resp.Body.Close()
if docker {
if resp.StatusCode != 200 {
return false
}
} else {
// Dogestry check
body, readErr := ioutil.ReadAll(resp.Body)
if readErr != nil {
return false
}
if string(body) != "OK" {
return false
}
}
return true
}
// get performs an HTTPS GET to the specified path for a specific node.
func get(t *testing.T, client *http.Client, node *localcluster.Container, path string) []byte {
url := fmt.Sprintf("https://%s%s", node.Addr(""), path)
// TODO(bram) #2059: Remove retry logic.
for r := retry.Start(retryOptions); r.Next(); {
resp, err := client.Get(url)
if err != nil {
t.Logf("could not GET %s - %s", url, err)
continue
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Logf("could not read body for %s - %s", url, err)
continue
}
if resp.StatusCode != http.StatusOK {
t.Logf("could not GET %s - statuscode: %d - body: %s", url, resp.StatusCode, body)
continue
}
t.Logf("OK response from %s", url)
return body
}
t.Fatalf("There was an error retrieving %s", url)
return []byte("")
}
// initRobotAccount creates a GCP robot account for this connector.
func initRobotAccount(userClient *http.Client) (string, string) {
params := url.Values{}
params.Set("oauth_client_id", flagToString(gcpOAuthClientIDFlag, lib.DefaultConfig.GCPOAuthClientID))
url := fmt.Sprintf("%s%s?%s", flagToString(gcpBaseURLFlag, lib.DefaultConfig.GCPBaseURL), "createrobot", params.Encode())
response, err := userClient.Get(url)
if err != nil {
log.Fatal(err)
}
if response.StatusCode != 200 {
log.Fatal("failed to initialize robot account: " + response.Status)
}
var robotInit struct {
Success bool `json:"success"`
Message string `json:"message"`
XMPPJID string `json:"xmpp_jid"`
AuthCode string `json:"authorization_code"`
}
if err = json.NewDecoder(response.Body).Decode(&robotInit); err != nil {
log.Fatal(err)
}
if !robotInit.Success {
log.Fatal("failed to initialize robot account: " + robotInit.Message)
}
fmt.Println("Requested OAuth credentials for robot account")
return robotInit.XMPPJID, robotInit.AuthCode
}
func getUserInfo(target_name string) UserInfo {
bearer := getToken()
url := "https://api.twitter.com/1.1/users/show.json?screen_name=" + target_name
request, err := http.NewRequest("GET", url, nil)
if err != nil {
log.Fatal(err)
}
request.Header.Add("Authorization", fmt.Sprintf("Bearer %s", bearer))
client := new(http.Client)
response, err := client.Do(request)
if err != nil {
log.Fatal(err)
}
defer response.Body.Close()
body, err := ioutil.ReadAll(response.Body)
util.Perror(err)
var user_info UserInfo
parse_err := json.Unmarshal(body, &user_info)
util.Perror(parse_err)
return user_info
}
// GetMetaData retrieves instance metadata about the current machine.
//
// See http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AESDG-chapter-instancedata.html for more details.
func GetMetaData(path string) (contents []byte, err error) {
c := http.Client{
Transport: &http.Transport{
Dial: func(netw, addr string) (net.Conn, error) {
deadline := time.Now().Add(5 * time.Second)
c, err := net.DialTimeout(netw, addr, time.Second*2)
if err != nil {
return nil, err
}
c.SetDeadline(deadline)
return c, nil
},
},
}
url := "http://169.254.169.254/latest/meta-data/" + path
resp, err := c.Get(url)
if err != nil {
return
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
err = fmt.Errorf("Code %d returned for url %s", resp.StatusCode, url)
return
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return
}
return []byte(body), err
}
func (c *Client) request(client *http.Client, credentials *Credentials, urlStr string, params url.Values) (*Credentials, url.Values, error) {
c.SignParam(credentials, "POST", urlStr, params)
resp, err := client.PostForm(urlStr, params)
if err != nil {
return nil, nil, err
}
p, err := ioutil.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
return nil, nil, err
}
if resp.StatusCode != 200 {
return nil, nil, fmt.Errorf("OAuth server status %d, %s", resp.StatusCode, string(p))
}
vals, err := url.ParseQuery(string(p))
if err != nil {
return nil, nil, err
}
credentials = &Credentials{
Token: vals.Get("oauth_token"),
Secret: vals.Get("oauth_token_secret"),
}
if credentials.Token == "" {
return nil, nil, errors.New("No OAuth token in server result")
}
if credentials.Secret == "" {
return nil, nil, errors.New("No OAuth secret in server result")
}
return credentials, vals, nil
}
func main() {
var longUrl string
longUrl = os.Args[len(os.Args)-1]
body := bytes.NewBufferString(fmt.Sprintf(`{"longUrl":"%s"}`, longUrl))
request, err := http.NewRequest("POST",
"https://www.googleapis.com/urlshortener/v1/url",
body)
request.Header.Add("Content-Type", "application/json")
client := http.Client{}
response, err := client.Do(request)
if err != nil {
log.Fatal(err)
}
outputAsBytes, err := ioutil.ReadAll(response.Body)
response.Body.Close()
var output apiResponse
err = json.Unmarshal(outputAsBytes, &output)
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s\n", output.Id)
}
func (q *Queue) notify(t *Task) error {
if t.callback == "" {
return nil
}
buf := bytes.Buffer{}
if t.output != nil {
if err := json.NewEncoder(&buf).Encode(t.output); err != nil {
return err
}
}
t.backoff.Reset()
var (
err error
resp *http.Response
)
client := http.Client{
Timeout: 5 * time.Second,
}
req, err := http.NewRequest("POST", t.callback, &buf)
if err != nil {
panic(err)
}
req.Header.Set("content-type", "application/json")
if t.token != "" {
req.Header.Set("token", t.token)
}
// Attempt to notify multiple times.
for i := 0; i < NotifyAttempts; i++ {
resp, err = client.Do(req)
if err != nil {
continue
}
// 200 range, good to go.
if resp.StatusCode > 200 && resp.StatusCode < 300 {
return nil
}
time.Sleep(t.backoff.Duration())
}
// Error making the request.
if err != nil {
return err
}
// HTTP error.
return fmt.Errorf("Notify error: %q", resp.Status)
}