我有以下簡(jiǎn)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(guò)鉤子(左右)為每個(gè)請(qǐng)求執(zhí)行上述操作,以便每次都自動(dòng)觸發(fā)。我可以編寫(xiě)一個(gè)包含所有這些內(nèi)容的函數(shù),但是如果我將http客戶(hù)端傳遞給其他軟件包,我將無(wú)法以這種方式控制/記錄此類(lèi)請(qǐng)求(例如)。aws-go-sdk有沒(méi)有辦法通過(guò)上下文或?qū)^子附加到客戶(hù)端來(lái)執(zhí)行此操作?
1 回答

素胚勾勒不出你
TA貢獻(xiàn)1827條經(jīng)驗(yàn) 獲得超9個(gè)贊
尤多爾的評(píng)論回答了這個(gè)問(wèn)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(hù)端:
rt := MyRoundTripper{}
client := http.Client{Transport: rt}
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