int
ping_xmit (PING *p)
{
int i, buflen;
if (_ping_setbuf (p))
return -1;
buflen = _ping_packetsize (p);
/* Mark sequence number as sent */
_PING_CLR (p, p->ping_num_xmit % p->ping_cktab_size);
/* Encode ICMP header */
switch (p->ping_type)
{
case ICMP_ECHO:
icmp_echo_encode (p->ping_buffer, buflen, p->ping_ident,
p->ping_num_xmit);
break;
case ICMP_TIMESTAMP:
icmp_timestamp_encode (p->ping_buffer, buflen, p->ping_ident,
p->ping_num_xmit);
break;
case ICMP_ADDRESS:
icmp_address_encode (p->ping_buffer, buflen, p->ping_ident,
p->ping_num_xmit);
break;
default:
icmp_generic_encode (p->ping_buffer, buflen, p->ping_type, p->ping_ident,
p->ping_num_xmit);
break;
}
i = sendto (p->ping_fd, (char *)p->ping_buffer, buflen, 0,
(struct sockaddr*) &p->ping_dest,
sizeof (struct sockaddr_in));
if (i < 0)
{
perror ("ping: sendto");
}
else
{
p->ping_num_xmit++;
if (i != buflen)
printf ("ping: wrote %s %d chars, ret=%d\n",
p->ping_hostname, buflen, i);
}
return 0;
}
static int
ping_xmit (PING * p)
{
int i, buflen;
struct icmp6_hdr *icmp6;
if (_ping_setbuf (p, USE_IPV6))
return -1;
buflen = p->ping_datalen + sizeof (struct icmp6_hdr);
/* Mark sequence number as sent */
_PING_CLR (p, p->ping_num_xmit);
icmp6 = (struct icmp6_hdr *) p->ping_buffer;
icmp6->icmp6_type = ICMP6_ECHO_REQUEST;
icmp6->icmp6_code = 0;
/* The checksum will be calculated by the TCP/IP stack. */
icmp6->icmp6_cksum = 0;
icmp6->icmp6_id = htons (p->ping_ident);
icmp6->icmp6_seq = htons (p->ping_num_xmit);
i = sendto (p->ping_fd, (char *) p->ping_buffer, buflen, 0,
(struct sockaddr *) &p->ping_dest.ping_sockaddr6, sizeof (p->ping_dest.ping_sockaddr6));
if (i < 0)
perror ("ping: sendto");
else
{
p->ping_num_xmit++;
if (i != buflen)
printf ("ping: wrote %s %d chars, ret=%d\n",
p->ping_hostname, buflen, i);
}
return 0;
}
