func (cl *Client) doRequest(req *ldbserver.TransportRequest) (resp *ldbserver.TransportResponse, err error) {
if cl == nil {
return nil, errors.New("client.DoRequest: call of nil reference")
}
var (
w io.Writer
r io.Reader
)
if cl.network == "http" {
w = bytes.NewBuffer(nil)
} else {
r = cl.conn
w = cl.conn
}
if w != nil {
var content_type string
switch cl.marshaling {
case ldbserver.MarshalingTypeJson:
enc := json.NewEncoder(w)
err = enc.Encode(req)
content_type = "application/json"
case ldbserver.MarshalingTypeProtobuf:
enc := pio.NewUint32DelimitedWriter(w, binary.LittleEndian)
err = enc.WriteMsg(req)
content_type = "application/octet-stream"
}
if err != nil {
return
}
if cl.network == "http" {
hresp, err := http.Post("http://"+cl.host, content_type, w.(io.Reader))
if err != nil {
return nil, err
}
defer hresp.Body.Close()
r = hresp.Body
}
resp = &ldbserver.TransportResponse{}
switch cl.marshaling {
case ldbserver.MarshalingTypeJson:
dec := json.NewDecoder(r)
err = dec.Decode(resp)
case ldbserver.MarshalingTypeProtobuf:
dec := pio.NewUint32DelimitedReader(r, binary.LittleEndian, 1024*1024)
err = dec.ReadMsg(resp)
}
} else {
return nil, errors.New("client.DoRequest: no connection")
}
return
}
func TestLittleUint32MaxSize(t *testing.T) {
buf := newBuffer()
writer := io.NewUint32DelimitedWriter(buf, binary.LittleEndian)
reader := io.NewUint32DelimitedReader(buf, binary.LittleEndian, 20)
if err := iotest(writer, reader); err != goio.ErrShortBuffer {
t.Error(err)
} else {
t.Logf("%s", err)
}
}
func TestLittleUint32Normal(t *testing.T) {
buf := newBuffer()
writer := io.NewUint32DelimitedWriter(buf, binary.LittleEndian)
reader := io.NewUint32DelimitedReader(buf, binary.LittleEndian, 1024*1024)
if err := iotest(writer, reader); err != nil {
t.Error(err)
}
if !buf.closed {
t.Fatalf("did not close buffer")
}
}
func serveCommand(t *testing.T, db DBServer, command TransportRequest_Command, key, value []byte, mt MarshalingType, checkOk bool) *TransportResponse {
var (
out = bytes.NewBuffer(nil)
in = bytes.NewBuffer(nil)
tr = JsonProtobufTransportFactory{mt}.NewTransporter(out, in)
)
req := &TransportRequest{
Id: key,
Command: command.Enum(),
Body: &TransportBody{Data: value},
}
SetBodyChecksum(req.Body)
switch mt {
case MarshalingTypeJson:
enc := json.NewEncoder(out)
assert.NoError(t, enc.Encode(req), "Json")
case MarshalingTypeProtobuf:
enc := pio.NewUint32DelimitedWriter(out, binary.LittleEndian)
assert.NoError(t, enc.WriteMsg(req), "Protobuf")
}
if assert.NoError(t, db.serve(tr), "db.serve") {
resp := &TransportResponse{}
switch mt {
case MarshalingTypeJson:
dec := json.NewDecoder(in)
assert.NoError(t, dec.Decode(resp), "Json")
case MarshalingTypeProtobuf:
dec := pio.NewUint32DelimitedReader(in, binary.LittleEndian, 1024)
assert.NoError(t, dec.ReadMsg(resp), "Protobuf")
}
if checkOk {
assert.Equal(t, resp.Id, key, "Response")
assert.Equal(t, resp.GetStatus(), TransportResponse_OK, "Response")
assert.True(t, CheckBody(resp.Body), "Check resp body")
}
return resp
}
return nil
}
func (rw *rwTransporter) GetRequest() (req *TransportRequest, err error) {
req = &TransportRequest{}
switch rw.mt {
case MarshalingTypeJson:
dec := json.NewDecoder(rw.req)
err = dec.Decode(req)
case MarshalingTypeProtobuf:
dec := pio.NewUint32DelimitedReader(rw.req, binary.LittleEndian, 1024*1024)
err = dec.ReadMsg(req)
}
if err == nil {
if !CheckBody(req.Body) {
err = errors.New("bad checksum in request body")
}
}
if err != nil {
return nil, err
}
return
}
