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This commit is contained in:
Atlante45 2016-02-17 16:58:15 -08:00
parent e6ccf501fa
commit f6526272de
2 changed files with 34 additions and 4 deletions
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11
libraries/networking/src/NLPacket.h
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@ -21,6 +21,17 @@
class NLPacket : public udt::Packet {
Q_OBJECT
public:
// 0 1 2 3
// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | Packet Type | Packet Version |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | Node UUID | Hash (only if verified) | Optional (only if sourced)
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
//
// NLPacket Header Format
// this is used by the Octree classes - must be known at compile time
static const int MAX_PACKET_HEADER_SIZE =
sizeof(udt::Packet::SequenceNumberAndBitField) + sizeof(udt::Packet::MessageNumberAndBitField) +

27
libraries/networking/src/udt/Packet.h
View file

@ -25,6 +25,25 @@ namespace udt {
class Packet : public BasePacket {
Q_OBJECT
public:
// Packet Header Format
//
// 0 1 2 3
// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// |C|R|M| O | Sequence Number |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | P | Message Number | Optional (only if M = 1)
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | Message Part Number | Optional (only if M = 1)
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
//
// C: Control bit
// R: Reliable bit
// M: Message bit
// O: Obfuscation level
// P: Position bits
// NOTE: The SequenceNumber is only actually 29 bits to leave room for a bit field
using SequenceNumberAndBitField = uint32_t;
@ -35,10 +54,10 @@ public:
// Use same size as MessageNumberAndBitField so we can use the enum with bitwise operations
enum PacketPosition : MessageNumberAndBitField {
ONLY = 0x0,
FIRST = 0x2,
MIDDLE = 0x3,
LAST = 0x1
ONLY = 0x0, // 00
FIRST = 0x2, // 10
MIDDLE = 0x3, // 11
LAST = 0x1 // 01
};
static std::unique_ptr<Packet> create(qint64 size = -1, bool isReliable = false, bool isPartOfMessage = false);