comparison: sources/network/packetqueue.h
sources/network/packetqueue.h
- branch
- protocol5
- changeset 171
- d0fba0d7ad03
- parent 170
- 40d8d7231a36
- child 172
- 0b0bc8045d28
- child 174
- 78ee24fd3321
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| 170:40d8d7231a36 | 171:d0fba0d7ad03 |
|---|---|
| 1 /* | |
| 2 Copyright 2016 Teemu Piippo | |
| 3 All rights reserved. | |
| 4 | |
| 5 Redistribution and use in source and binary forms, with or without | |
| 6 modification, are permitted provided that the following conditions | |
| 7 are met: | |
| 8 | |
| 9 1. Redistributions of source code must retain the above copyright | |
| 10 notice, this list of conditions and the following disclaimer. | |
| 11 2. Redistributions in binary form must reproduce the above copyright | |
| 12 notice, this list of conditions and the following disclaimer in the | |
| 13 documentation and/or other materials provided with the distribution. | |
| 14 3. Neither the name of the copyright holder nor the names of its | |
| 15 contributors may be used to endorse or promote products derived from | |
| 16 this software without specific prior written permission. | |
| 17 | |
| 18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
| 20 TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
| 21 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER | |
| 22 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 23 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 24 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 25 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 26 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 27 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 28 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #pragma once | |
| 32 #include <map> | |
| 33 #include <set> | |
| 34 #include "../main.h" | |
| 35 #include "../list.h" | |
| 36 BEGIN_ZFC_NAMESPACE | |
| 37 | |
| 38 /*! | |
| 39 * \brief The PacketQueue class stores packets awaiting processing. | |
| 40 * | |
| 41 * The UDP protocol makes no guarantees of packet delivery. Packets may wind up being dropped, or delivered in the wrong | |
| 42 * order. This class mitigates that issue by storing the packets into a queue, and popping packets in order. | |
| 43 */ | |
| 44 class PacketQueue | |
| 45 { | |
| 46 public: | |
| 47 PacketQueue(); | |
| 48 | |
| 49 bool addPacket(unsigned int sequenceNumber, const ByteArray &data); | |
| 50 std::set<unsigned int> getWaitingPackets() const; | |
| 51 std::set<int> getLostPackets() const; | |
| 52 int getNextSequenceNumber() const; | |
| 53 bool hasPacketsToPop() const; | |
| 54 bool isStuck() const; | |
| 55 bool popNextPacket(ByteArray& packet); | |
| 56 | |
| 57 private: | |
| 58 std::map<unsigned int, ByteArray> m_queue; | |
| 59 unsigned int m_currentSequenceNumber; | |
| 60 }; | |
| 61 | |
| 62 END_ZFC_NAMESPACE |
