Function rawsocket_helper::send::send_tcp

pub fn send_tcp<F>(
    tx: &mut Box<dyn DataLinkSender>, 
    body_size: usize, 
    src_mac: &MacAddr, 
    dst_mac: &MacAddr, 
    src_ip: &Ipv4Addr, 
    dst_ip: &Ipv4Addr, 
    src_port: u16, 
    dst_port: u16, 
    seq: u32, 
    rng: &mut ThreadRng, 
    modify_packet_func: F
) -> Result<(), Error> where
    F: Fn(&mut [u8]) -> bool, 

通过 pnet L2 通道构造并发送 tcp 报文