| /* |
| * Copyright (c) 2016, The OpenThread Authors. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holder nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @file |
| * This file includes definitions for parsing TCP header. |
| */ |
| |
| #ifndef TCP_HPP_ |
| #define TCP_HPP_ |
| |
| #include <openthread/openthread.h> |
| |
| #include "net/ip6_headers.hpp" |
| |
| namespace ot { |
| namespace Ip6 { |
| |
| /** |
| * @addtogroup core-tcp |
| * |
| * @brief |
| * This module includes definitions for parsing TCP header |
| * |
| * @{ |
| * |
| */ |
| |
| OT_TOOL_PACKED_BEGIN |
| struct TcpHeaderPoD |
| { |
| uint16_t mSource; |
| uint16_t mDestination; |
| uint32_t mSequenceNumber; |
| uint32_t mAckNumber; |
| uint16_t mFlags; |
| uint16_t mWindow; |
| uint16_t mChecksum; |
| uint16_t mUrgentPointer; |
| } OT_TOOL_PACKED_END; |
| |
| /** |
| * This class implements TCP header parsing. |
| * |
| */ |
| OT_TOOL_PACKED_BEGIN |
| class TcpHeader: private TcpHeaderPoD |
| { |
| public: |
| /** |
| * This method returns the TCP Source Port. |
| * |
| * @returns The TCP Source Port. |
| * |
| */ |
| uint16_t GetSourcePort(void) const { return HostSwap16(mSource); } |
| |
| /** |
| * This method returns the TCP Destination Port. |
| * |
| * @returns The TCP Destination Port. |
| * |
| */ |
| uint16_t GetDestinationPort(void) const { return HostSwap16(mDestination); } |
| |
| /** |
| * This method returns the TCP Sequence Number. |
| * |
| * @returns The TCP Sequence Number. |
| * |
| */ |
| uint32_t GetSequenceNumber(void) const { return HostSwap32(mSequenceNumber); } |
| |
| /** |
| * This method returns the TCP Acknowledgment Sequence Number. |
| * |
| * @returns The TCP Acknowledgment Sequence Number. |
| * |
| */ |
| uint32_t GetAcknowledgmentNumber(void) const { return HostSwap32(mAckNumber); } |
| |
| /** |
| * This method returns the TCP Flags. |
| * |
| * @returns The TCP Flags. |
| * |
| */ |
| uint16_t GetFlags(void) const { return HostSwap16(mFlags); } |
| |
| /** |
| * This method returns the TCP Window. |
| * |
| * @returns The TCP Window. |
| * |
| */ |
| uint16_t GetWindow(void) const { return HostSwap16(mWindow); } |
| |
| /** |
| * This method returns the TCP Checksum. |
| * |
| * @returns The TCP Checksum. |
| * |
| */ |
| uint16_t GetChecksum(void) const { return HostSwap16(mChecksum); } |
| |
| /** |
| * This method returns the TCP Urgent Pointer. |
| * |
| * @returns The TCP Urgent Pointer. |
| * |
| */ |
| uint16_t GetUrgentPointer(void) const { return HostSwap16(mUrgentPointer); } |
| |
| } OT_TOOL_PACKED_END; |
| |
| /** |
| * @} |
| * |
| */ |
| |
| } // namespace Ip6 |
| } // namespace ot |
| |
| #endif // TCP_HPP_ |