func (client *RPCClient) RPCCall(methodName string,
args ...interface{}) (interface{}, *rpc.Fault, *rpc.Error) {
buf := bytes.NewBufferString("")
berr := Marshal(buf, methodName, args)
if berr != nil {
return nil, nil, berr
}
var req http.Request
req.URL = client.url
req.Method = "POST"
req.ProtoMajor = 1
req.ProtoMinor = 1
req.Close = false
req.Body = nopCloser{buf}
req.Header = map[string][]string{
"Content-Type": {"text/xml"},
}
req.RawURL = "/RPC"
req.ContentLength = int64(buf.Len())
if client.conn == nil {
var cerr *rpc.Error
if client.conn, cerr = rpc.Open(client.url); cerr != nil {
return nil, nil, cerr
}
}
if werr := req.Write(client.conn); werr != nil {
client.conn.Close()
return nil, nil, &rpc.Error{Msg: werr.String()}
}
reader := bufio.NewReader(client.conn)
resp, rerr := http.ReadResponse(reader, &req)
if rerr != nil {
client.conn.Close()
return nil, nil, &rpc.Error{Msg: rerr.String()}
} else if resp == nil {
rrerr := fmt.Sprintf("ReadResponse for %s returned nil response\n",
methodName)
return nil, nil, &rpc.Error{Msg: rrerr}
}
_, pval, perr, pfault := Unmarshal(resp.Body)
if resp.Close {
resp.Body.Close()
client.conn = nil
}
return pval, pfault, perr
}
