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When rtt == 0.0 the results is not printed #8

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When rtt == 0.0 the results is not printed #8

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71 changes: 37 additions & 34 deletions waitpacket.c
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Original file line number Diff line number Diff line change
Expand Up @@ -353,57 +353,60 @@ int recv_tcp(void *packet, size_t size)
tcp_exitcode = tcp.th_flags;

status = rtt(&sequence, ntohs(tcp.th_dport), &ms_delay);

if(ms_delay != 0.0) {

if (opt_seqnum) {
if (opt_seqnum) {
static __u32 old_th_seq = 0;
__u32 seq_diff, tmp;

tmp = ntohl(tcp.th_seq);
if (tmp >= old_th_seq)
seq_diff = tmp - old_th_seq;
seq_diff = tmp - old_th_seq;
else
seq_diff = (4294967295U - old_th_seq)
+ tmp;
seq_diff = (4294967295U - old_th_seq)
+ tmp;
old_th_seq = tmp;
printf("%10lu +%lu\n",
(unsigned long) tmp,
(unsigned long) seq_diff);
(unsigned long) tmp,
(unsigned long) seq_diff);
goto out;
}
}

if (opt_quiet)
if (opt_quiet)
goto out;

flags[0] = '\0';
if (tcp.th_flags & TH_RST) strcat(flags, "R");
if (tcp.th_flags & TH_SYN) strcat(flags, "S");
if (tcp.th_flags & TH_ACK) strcat(flags, "A");
if (tcp.th_flags & TH_FIN) strcat(flags, "F");
if (tcp.th_flags & TH_PUSH) strcat(flags, "P");
if (tcp.th_flags & TH_URG) strcat(flags, "U");
if (tcp.th_flags & TH_X) strcat(flags, "X");
if (tcp.th_flags & TH_Y) strcat(flags, "Y");
if (flags[0] == '\0') strcat(flags, "none");

log_ip(status, sequence);
printf("sport=%d flags=%s seq=%d win=%d rtt=%.1f ms\n",
ntohs(tcp.th_sport), flags, sequence,
ntohs(tcp.th_win), ms_delay);

if (opt_verbose) {
flags[0] = '\0';
if (tcp.th_flags & TH_RST) strcat(flags, "R");
if (tcp.th_flags & TH_SYN) strcat(flags, "S");
if (tcp.th_flags & TH_ACK) strcat(flags, "A");
if (tcp.th_flags & TH_FIN) strcat(flags, "F");
if (tcp.th_flags & TH_PUSH) strcat(flags, "P");
if (tcp.th_flags & TH_URG) strcat(flags, "U");
if (tcp.th_flags & TH_X) strcat(flags, "X");
if (tcp.th_flags & TH_Y) strcat(flags, "Y");
if (flags[0] == '\0') strcat(flags, "none");

log_ip(status, sequence);
printf("sport=%d flags=%s seq=%d win=%d rtt=%.1f ms\n",
ntohs(tcp.th_sport), flags, sequence,
ntohs(tcp.th_win), ms_delay);

if (opt_verbose) {
printf("seq=%lu ack=%lu sum=%x urp=%u\n\n",
(unsigned long) ntohl(tcp.th_seq),
(unsigned long) ntohl(tcp.th_ack),
tcp.th_sum, ntohs(tcp.th_urp));
}
(unsigned long) ntohl(tcp.th_seq),
(unsigned long) ntohl(tcp.th_ack),
tcp.th_sum, ntohs(tcp.th_urp));
}

/* Get and log the TCP timestamp */
if (opt_tcp_timestamp && status != S_RECV)
/* Get and log the TCP timestamp */
if (opt_tcp_timestamp && status != S_RECV)
print_tcp_timestamp(packet, size, (int)ms_delay);
out:
if (opt_incdport && !opt_force_incdport)
out:
if (opt_incdport && !opt_force_incdport)
dst_port++;
return 1;
return 1;
}
}
return 0;
}
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