PcapPlusPlus
UdpLayer.h
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1 #ifndef PACKETPP_UDP_LAYER
2 #define PACKETPP_UDP_LAYER
3 
4 #include <Layer.h>
5 
7 
12 namespace pcpp
13 {
14 
19 #pragma pack(push,1)
20  struct udphdr {
22  uint16_t portSrc;
24  uint16_t portDst;
26  uint16_t length;
28  uint16_t headerChecksum;
29  };
30 #pragma pack(pop)
31 
32 
37  class UdpLayer : public Layer
38  {
39  public:
47  UdpLayer(uint8_t* data, size_t dataLen, Layer* prevLayer, Packet* packet) : Layer(data, dataLen, prevLayer, packet) { m_Protocol = UDP; }
48 
54  UdpLayer(uint16_t portSrc, uint16_t portDst);
55 
60  inline udphdr* getUdpHeader() { return (udphdr*)m_Data; };
61 
67  uint16_t calculateChecksum(bool writeResultToPacket);
68 
69  // implement abstract methods
70 
74  void parseNextLayer();
75 
79  inline size_t getHeaderLen() { return sizeof(udphdr); }
80 
85 
86  std::string toString();
87 
89  };
90 
91 } // namespace pcpp
92 
93 #endif /* PACKETPP_UDP_LAYER */
Definition: ProtocolType.h:51
OsiModelLayer getOsiModelLayer()
Definition: UdpLayer.h:88
UdpLayer(uint8_t *data, size_t dataLen, Layer *prevLayer, Packet *packet)
Definition: UdpLayer.h:47
uint16_t portDst
Definition: UdpLayer.h:24
void computeCalculateFields()
size_t getHeaderLen()
Definition: UdpLayer.h:79
OsiModelLayer
Definition: ProtocolType.h:203
uint16_t portSrc
Definition: UdpLayer.h:22
Definition: Packet.h:26
Definition: ProtocolType.h:212
uint16_t length
Definition: UdpLayer.h:26
void parseNextLayer()
Definition: Layer.h:52
Definition: UdpLayer.h:37
uint16_t headerChecksum
Definition: UdpLayer.h:28
std::string toString()
uint16_t calculateChecksum(bool writeResultToPacket)
Definition: UdpLayer.h:20
The main namespace for the PcapPlusPlus lib.
udphdr * getUdpHeader()
Definition: UdpLayer.h:60