我有以下簡單:http.Clientimport ( "net/http" "log")...func main() { ... link = "http://example.com" method = "GET" req, _ := http.NewRequest(method, link, nil) client := &http.Client{} myZapLogger.Info("Sending a %s request to %s\n", method, link) resp, err := client.Do(req) if err != nil { myZapLogger.Error(..., err) // I'm logging rather than fatal-ing or so } else { myZapLogger.Info("Received a %d on request X", resp.StatusCode) } ...}...我正在尋找一種方法,通過鉤子(左右)為每個請求執行上述操作,以便每次都自動觸發。我可以編寫一個包含所有這些內容的函數,但是如果我將http客戶端傳遞給其他軟件包,我將無法以這種方式控制/記錄此類請求(例如)。aws-go-sdk有沒有辦法通過上下文或將鉤子附加到客戶端來執行此操作?
1 回答

素胚勾勒不出你
TA貢獻1827條經驗 獲得超9個贊
尤多爾的評論回答了這個問題。我只是把它放到代碼中:
type MyRoundTripper struct {}
func (t MyRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
// Do work before the request is sent
resp, err := http.DefaultTransport.RoundTrip(req)
if err != nil {
return resp, err
}
// Do work after the response is received
return resp, err
}
要使用它,您只需將其傳遞到您的HTTP客戶端:
rt := MyRoundTripper{}
client := http.Client{Transport: rt}
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