yunion.io/x/cloudmux@v0.3.10-0-alpha.1/pkg/cloudprovider/transport.go (about)

     1  // Copyright 2019 Yunion
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package cloudprovider
    16  
    17  import "net/http"
    18  
    19  type transport struct {
    20  	check func(*http.Request) (func(resp *http.Response), error)
    21  	ts    *http.Transport
    22  }
    23  
    24  func (self *transport) RoundTrip(req *http.Request) (*http.Response, error) {
    25  	var respCheck func(resp *http.Response) = nil
    26  	var err error
    27  	if self.check != nil {
    28  		respCheck, err = self.check(req)
    29  		if err != nil {
    30  			return nil, err
    31  		}
    32  	}
    33  	resp, err := self.ts.RoundTrip(req)
    34  	if err != nil {
    35  		return nil, err
    36  	}
    37  	if respCheck != nil {
    38  		respCheck(resp)
    39  	}
    40  	return resp, nil
    41  }
    42  
    43  func GetCheckTransport(ts *http.Transport, check func(*http.Request) (func(resp *http.Response), error)) http.RoundTripper {
    44  	ret := &transport{ts: ts, check: check}
    45  	return ret
    46  }