def buildSYNPacket(self, localhostIP, destinationIP):
IPHeaderObj = IPHeader(localhostIP, destinationIP, self.ip_packet_ID)
ipHeader = IPHeaderObj.build()
userData = ""
TCPObj = TCPHeader()
#Set the SYN Flag
TCPObj.setValues(self.sourcePortNum, self.destinationPortNum, self.seq_num, self.current_ack_no, 1, 0, 0, userData)
tcpHeader = TCPObj.build(localhostIP, destinationIP)
SYNPacket = ipHeader + tcpHeader + userData
return SYNPacket
def buildSYNPacket(self, localhostIP, destinationIP):
IPHeaderObj = IPHeader(localhostIP, destinationIP, self.ip_packet_ID)
ipHeader = IPHeaderObj.build()
userData = ""
TCPObj = TCPHeader()
# Set the SYN Flag
TCPObj.setValues(
self.sourcePortNum, self.destinationPortNum, self.seq_num, self.current_ack_no, 1, 0, 0, userData
)
tcpHeader = TCPObj.build(localhostIP, destinationIP)
SYNPacket = ipHeader + tcpHeader + userData
return SYNPacket
def getIPHeader(self, localhostIP, destinationIP, ip_packet_ID):
ipheader_obj = IPHeader(localhostIP, destinationIP, ip_packet_ID)
ipheader = ipheader_obj.build()
return ipheader
def getIPHeader(self, localhostIP, destinationIP, ip_packet_ID):
ipheader_obj = IPHeader(localhostIP, destinationIP, ip_packet_ID)
ipheader = ipheader_obj.build()
return ipheader
