Commit 81aa8a82 authored by nikolajev's avatar nikolajev
Browse files

GTP support in PacketDissector

parent 4dafc72f

adapter/src/PacketFilter/PacketDissector.cpp

+2 −0
Original line number Original line Diff line number Diff line
@@ -45,6 +45,7 @@ PacketDissector::PacketDissector(const char* psPacket) 
   m_ipv6Hdr(0),

   m_ipv6Hdr(0),

   m_tcpHdr(0),

   m_tcpHdr(0),

   m_udpHdr(0),

   m_udpHdr(0),

   m_gtpHdr(0),

   m_payload(0) {

   m_payload(0) {





  m_ethHdr = new EthernetHeader;

  m_ethHdr = new EthernetHeader;
@@ -112,6 +113,7 @@ PacketDissector::~PacketDissector() { 
  delete m_ipHdr;

  delete m_ipHdr;

  delete m_tcpHdr;

  delete m_tcpHdr;

  delete m_udpHdr;

  delete m_udpHdr;

  delete m_gtpHdr;

  delete m_payload;

  delete m_payload;

}

}

adapter/src/PacketFilter/PacketDissector.h

+18 −1
Original line number Original line Diff line number Diff line
@@ -96,6 +96,21 @@ struct TcpHeader 
  unsigned short urgentPointer;    // urgent pointer 

  unsigned short urgentPointer;    // urgent pointer 

};

};





struct GtpHeader{

	unsigned char  pn_flag :1;

	unsigned char  s_flag :1;

	unsigned char  e_flag :1;

	unsigned char  spare :1;

	unsigned char  pt :1;

	unsigned char  version :3;



	unsigned char  messageType;

	unsigned char  length[2];

	unsigned char  teid[4];

	unsigned char  seqNum[2];		//optional

	unsigned char  npduNum;			//optional

	unsigned char  extensionHeader;	//optional

};





#define ETH_TYPE_IP     8

#define ETH_TYPE_IP     8

#define ETH_TYPE_IPv6   0xdd86

#define ETH_TYPE_IPv6   0xdd86
@@ -107,7 +122,8 @@ enum HeaderId { 
  e_Ethernet,

  e_Ethernet,

  e_Ip,

  e_Ip,

  e_Tcp,

  e_Tcp,

  e_Udp

  e_Udp,

  e_Gtp

};

};





enum FieldId {

enum FieldId {
@@ -134,6 +150,7 @@ class PacketDissector { 
  IpV6Header *m_ipv6Hdr;

  IpV6Header *m_ipv6Hdr;

  UdpHeader *m_udpHdr;

  UdpHeader *m_udpHdr;

  TcpHeader *m_tcpHdr;

  TcpHeader *m_tcpHdr;

  GtpHeader *m_gtpHdr;

  char *m_payload;

  char *m_payload;

};

};