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Add PacketCapture for received messages in UDP (#202)

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* Add PacketCapture for receiving messages in UDP

Signed-off-by: Juan Oxoby <joxoby@irobot.com>

* Explicit cast ret to size_t in write_pcap_received()

Signed-off-by: Juan Oxoby <joxoby@irobot.com>
This commit is contained in:
Juan Oxoby 2019-06-20 10:41:33 -07:00 • committed by eboasson
parent 95ea8fbf32
commit f1db768b39
1 changed files with 9 additions and 0 deletions
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9
src/core/ddsi/src/ddsi_udp.c
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@ -86,6 +86,15 @@ static ssize_t ddsi_udp_conn_read (ddsi_tran_conn_t conn, unsigned char * buf, s
if (srcloc) if (srcloc)
ddsi_ipaddr_to_loc(srcloc, (struct sockaddr *)&src, src.ss_family == AF_INET ? NN_LOCATOR_KIND_UDPv4 : NN_LOCATOR_KIND_UDPv6); ddsi_ipaddr_to_loc(srcloc, (struct sockaddr *)&src, src.ss_family == AF_INET ? NN_LOCATOR_KIND_UDPv4 : NN_LOCATOR_KIND_UDPv6);
if(gv.pcap_fp)
{
struct sockaddr_storage dest;
socklen_t dest_len = sizeof (dest);
if (ddsrt_getsockname (((ddsi_udp_conn_t) conn)->m_sock, (struct sockaddr *) &dest, &dest_len) != DDS_RETCODE_OK)
memset(&dest, 0, sizeof(dest));
write_pcap_received(gv.pcap_fp, now(), &src, &dest, buf, (size_t) ret);
}
/* Check for udp packet truncation */ /* Check for udp packet truncation */
if ((((size_t) ret) > len) if ((((size_t) ret) > len)
#if DDSRT_MSGHDR_FLAGS #if DDSRT_MSGHDR_FLAGS