func (client *Client) packRequest(r *yar.Request) ([]byte, *yar.Error) {
var sendPackager []byte
packagerName := client.Opt.Packager
if len(packagerName) < yar.PackagerLength {
sendPackager = []byte(packagerName)
} else {
sendPackager = []byte(packagerName[0:yar.PackagerLength])
}
var p [8]byte
for i, s := range sendPackager {
p[i] = s
}
r.Protocol.Packager = p
pack, err := packager.Pack(sendPackager, r)
if err != nil {
return nil, yar.NewError(yar.ErrorPackager, err.Error())
}
return pack, nil
}
func (client *Client) readResponse(reader io.Reader, ret interface{}) *yar.Error {
allBody, err := ioutil.ReadAll(reader)
if err != nil {
return yar.NewError(yar.ErrorResponse, "Read Response Error:"+err.Error())
}
if len(allBody) < (yar.ProtocolLength + yar.PackagerLength) {
return yar.NewError(yar.ErrorResponse, "Response Parse Error:"+string(allBody))
}
protocolBuffer := allBody[0 : yar.ProtocolLength+yar.PackagerLength]
protocol := yar.NewHeader()
protocol.Init(bytes.NewBuffer(protocolBuffer))
bodyLength := protocol.BodyLength - yar.PackagerLength
if uint32(len(allBody)-(yar.ProtocolLength+yar.PackagerLength)) < uint32(bodyLength) {
return yar.NewError(yar.ErrorResponse, "Response Content Error:"+string(allBody))
}
bodyBuffer := allBody[yar.ProtocolLength+yar.PackagerLength:]
response := new(yar.Response)
err = packager.Unpack([]byte(client.Opt.Packager), bodyBuffer, &response)
if err != nil {
return yar.NewError(yar.ErrorPackager, "Unpack Error:"+err.Error())
}
if response.Status != yar.ERR_OKEY {
return yar.NewError(yar.ErrorResponse, response.Error)
}
if ret != nil {
packData, err := packager.Pack([]byte(client.Opt.Packager), response.Retval)
if err != nil {
return yar.NewError(yar.ErrorPackager, "pack response retval error:"+err.Error()+" "+string(allBody))
}
err = packager.Unpack([]byte(client.Opt.Packager), packData, ret)
if err != nil {
return yar.NewError(yar.ErrorPackager, "pack response retval error:"+err.Error()+" "+string(allBody))
}
}
return nil
}
func (server *Server) sendResponse(response *yar.Response) *yar.Error {
server.log(yar.LogLevelDebug, "[sendResponse] %d %d %s", response.Id, response.Status, fmt.Sprint(response.Retval))
sendPackData, err := packager.Pack(response.Protocol.Packager[:], response)
if err != nil {
return yar.NewError(yar.ErrorResponse, err.Error())
}
response.Protocol.BodyLength = uint32(len(sendPackData) + 8)
server.writer.Write(response.Protocol.Bytes().Bytes())
server.writer.Write(sendPackData)
return nil
}