125     ssize_t SendData(Id id, const uint8_t* tx_data, size_t tx_length, uint8_t* rx_data,
131                                    uint8_t* rx_data, size_t rx_length, int attempts,
154     uint8_t rx_data[4];  in InitializeProtocol()  local
161     ssize_t rx_bytes = SendData(kIdDeviceQuery, nullptr, 0, rx_data, sizeof(rx_data),  in InitializeProtocol()
170     sequence_ = ExtractUint16(rx_data);  in InitializeProtocol()
175     rx_bytes = SendData(kIdInitialization, init_data, sizeof(init_data), rx_data, sizeof(rx_data),  in InitializeProtocol()
186     uint16_t version = ExtractUint16(rx_data);  in InitializeProtocol()
192     uint16_t packet_size = ExtractUint16(rx_data + 2);  in InitializeProtocol()
207 ssize_t UdpTransport::SendData(Id id, const uint8_t* tx_data, size_t tx_length, uint8_t* rx_data,  in SendData()  argument
229         ssize_t bytes = SendSinglePacketHelper(&header, tx_data, packet_data_length, rx_data,  in SendData()
237             rx_data += bytes;  in SendData()
240             rx_data = nullptr;  in SendData()
254         Header* header, const uint8_t* tx_data, size_t tx_length, uint8_t* rx_data,  in SendSinglePacketHelper()  argument
295                 memcpy(rx_data, rx_packet_.data() + kHeaderSize, rx_data_bytes);  in SendSinglePacketHelper()
296                 rx_data += rx_data_bytes;  in SendSinglePacketHelper()