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92 lines
4.3 KiB
C
92 lines
4.3 KiB
C
/// \file
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/// \brief \b [Internal] A class which stores a user message, and all information associated with sending and receiving that message.
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///
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/// This file is part of RakNet Copyright 2003 Kevin Jenkins.
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///
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/// Usage of RakNet is subject to the appropriate license agreement.
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/// Creative Commons Licensees are subject to the
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/// license found at
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/// http://creativecommons.org/licenses/by-nc/2.5/
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/// Single application licensees are subject to the license found at
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/// http://www.jenkinssoftware.com/SingleApplicationLicense.html
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/// Custom license users are subject to the terms therein.
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/// GPL license users are subject to the GNU General Public
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/// License as published by the Free
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/// Software Foundation; either version 2 of the License, or (at your
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/// option) any later version.
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#ifndef __INTERNAL_PACKET_H
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#define __INTERNAL_PACKET_H
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#include "PacketPriority.h"
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#include "RakNetTypes.h"
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#include "RakMemoryOverride.h"
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typedef unsigned short SplitPacketIdType;
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typedef unsigned int SplitPacketIndexType;
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/// This is the counter used for holding packet numbers, so we can detect duplicate packets. It should be large enough that if the variables
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/// were to wrap, the newly wrapped values would no longer be in use. Warning: Too large of a value wastes bandwidth!
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/// Use the smallest possible value, such that you send no more than rangeof(MessageNumberType) / GetTimeoutTime() packets per second
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/// For the default value of 10 seconds, this is
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/// unsigned char - 25.5 packets per second
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/// unsigned short - 6553.5 packets per second
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/// unsigned int - You'll run out of memory first.
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typedef unsigned int MessageNumberType;
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/// This is the counter used for holding ordered packet numbers, so we can detect out-of-order packets. It should be large enough that if the variables
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/// were to wrap, the newly wrapped values would no longer be in use. Warning: Too large of a value wastes bandwidth!
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typedef MessageNumberType OrderingIndexType;
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typedef RakNetTime RemoteSystemTimeType;
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/// Holds a user message, and related information
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/// Don't use a constructor or destructor, due to the memory pool I am using
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struct InternalPacket : public RakNet::RakMemoryOverride//<InternalPacket>
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{
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///True if this is an acknowledgment packet
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//bool isAcknowledgement;
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/// A unique numerical identifier given to this user message. Used to identify messages on the network
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MessageNumberType messageNumber;
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/// Identifies the order in which this number was sent. Used locally
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MessageNumberType messageInternalOrder;
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/// Has this message number been assigned yet? We don't assign until the message is actually sent.
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/// This fixes a bug where pre-determining message numbers and then sending a message on a different channel creates a huge gap.
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/// This causes performance problems and causes those messages to timeout.
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bool messageNumberAssigned;
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/// Used only for tracking packetloss and windowing internally, this is the aggreggate packet number that a message was last sent in
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unsigned packetNumber;
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/// Was this packet number used this update to track windowing drops or increases? Each packet number is only used once per update.
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// bool allowWindowUpdate;
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///The priority level of this packet
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PacketPriority priority;
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///What type of reliability algorithm to use with this packet
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PacketReliability reliability;
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///What ordering channel this packet is on, if the reliability type uses ordering channels
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unsigned char orderingChannel;
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///The ID used as identification for ordering channels
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OrderingIndexType orderingIndex;
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///The ID of the split packet, if we have split packets. This is the maximum number of split messages we can send simultaneously per connection.
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SplitPacketIdType splitPacketId;
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///If this is a split packet, the index into the array of subsplit packets
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SplitPacketIndexType splitPacketIndex;
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///The size of the array of subsplit packets
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SplitPacketIndexType splitPacketCount;
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///When this packet was created
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RakNetTimeNS creationTime;
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///The next time to take action on this packet
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RakNetTimeNS nextActionTime;
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// If this was a reliable packet, it included the ping time, to be sent back in an ack
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//RakNetTimeNS remoteSystemTime;
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//RemoteSystemTimeType remoteSystemTime;
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///How many bits the data is
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BitSize_t dataBitLength;
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///Buffer is a pointer to the actual data, assuming this packet has data at all
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unsigned char *data;
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};
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#endif
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