int recvData(int sockfd, void* data, int len)
{
int ret = read(sockfd, data, len);
if(!isBigEndian())
switchEndian(data, ret);
return ret;
}
whisper_library::GenericPacket extractApplicationLayer(vector<bool> frame) {
vector<bool> application_layer;
vector<bool> packet_little_endian = switchEndian(frame);
whisper_library::IpHeaderv4 ip_header(packet_little_endian);
unsigned int length_bit = ip_header.ipHeaderLength() * 32;
unsigned int total_length_bit = ip_header.totalLength() * 8;
application_layer.insert(application_layer.begin(), packet_little_endian.begin() + 112 + length_bit, packet_little_endian.begin() + 112 + total_length_bit); // cut of 14 byte ethernet header (112 bit) and ip header and padding
whisper_library::GenericPacket generic_packet;
generic_packet.setPacket(application_layer);
return generic_packet;
}
int sendData(int sockfd, void* data, int len)
{
if(!isBigEndian())
switchEndian(data, len);
return write(sockfd, data, len);
}
