import "github.com/thiagonache/httpstats"The idea of this package is to provide an easy way to collect detailed HTTP metrics from the client. It exports a function that injects hooks using HTTPTrace Package. If you want a better understand about how HTTPTrace works read my blog post.
You just need to instantiate a new object and call the wrapper function of the http
module. For instance, to create a new request instead of using http.NewRequest
you should use newStatsObject.NewRequest.
Usual http call code
c := &http.Client{}
req, err := http.NewRequest(http.MethodGet, "https://httpbin.org/get", nil)
if err != nil {
log.Fatal(err)
}
res, err := c.Do(req)
if err != nil {
log.Fatal(err)
}
body, err := io.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
fmt.Println(string(body))Output
{
"args": {},
"headers": {
"Accept-Encoding": "gzip",
"Host": "httpbin.org",
"User-Agent": "Go-http-client/2.0",
"X-Amzn-Trace-Id": "Root=1-62bdfa65-252f4f6244194d1257217609"
},
"origin": "201.95.218.50",
"url": "https://httpbin.org/get"
}Using this package to get detailed metrics.
s := httpstats.New()
c := &http.Client{}
req, err := s.NewRequest(http.MethodGet, "https://httpbin.org/get", nil)
...
fmt.Println("DNS:", s.DNS[0])
fmt.Println("Connect:", s.Connect[0])Output
{
"args": {},
"headers": {
"Accept-Encoding": "gzip",
"Host": "httpbin.org",
"User-Agent": "Go-http-client/2.0",
"X-Amzn-Trace-Id": "Root=1-62bdfaef-6a1f4a8533030f0f78dbb4e6"
},
"origin": "201.95.218.50",
"url": "https://httpbin.org/get"
}
DNS: 9.454983ms
Connect: 147.036392ms
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