You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.0 KiB
79 lines
2.0 KiB
/*
|
|
* Minio Cloud Storage, (C) 2015 Minio, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package rpc
|
|
|
|
import (
|
|
"bytes"
|
|
"net/http"
|
|
|
|
"github.com/gorilla/rpc/v2/json"
|
|
"github.com/minio/minio/pkg/probe"
|
|
)
|
|
|
|
// Operation RPC operation
|
|
type Operation struct {
|
|
Method string
|
|
Request interface{}
|
|
}
|
|
|
|
// Request rpc client request
|
|
type Request struct {
|
|
req *http.Request
|
|
transport http.RoundTripper
|
|
}
|
|
|
|
// NewRequest initiate a new client RPC request
|
|
func NewRequest(url string, op Operation, transport http.RoundTripper) (*Request, *probe.Error) {
|
|
params, err := json.EncodeClientRequest(op.Method, op.Request)
|
|
if err != nil {
|
|
return nil, probe.NewError(err)
|
|
}
|
|
req, err := http.NewRequest("POST", url, bytes.NewReader(params))
|
|
if err != nil {
|
|
return nil, probe.NewError(err)
|
|
}
|
|
rpcReq := &Request{}
|
|
rpcReq.req = req
|
|
rpcReq.req.Header.Set("Content-Type", "application/json")
|
|
if transport == nil {
|
|
transport = http.DefaultTransport
|
|
}
|
|
rpcReq.transport = transport
|
|
return rpcReq, nil
|
|
}
|
|
|
|
// Do - make a http connection
|
|
func (r Request) Do() (*http.Response, *probe.Error) {
|
|
resp, err := r.transport.RoundTrip(r.req)
|
|
if err != nil {
|
|
if err, ok := probe.UnwrapError(err); ok {
|
|
return nil, err.Trace()
|
|
}
|
|
return nil, probe.NewError(err)
|
|
}
|
|
return resp, nil
|
|
}
|
|
|
|
// Get - get value of requested header
|
|
func (r Request) Get(key string) string {
|
|
return r.req.Header.Get(key)
|
|
}
|
|
|
|
// Set - set value of a header key
|
|
func (r *Request) Set(key, value string) {
|
|
r.req.Header.Set(key, value)
|
|
}
|
|
|