Hi All,
how to debug vpp punt socket registration fail/stuck?
any pointers will be helpful
Thanks,
Nousi
On Wed, 9 Mar 2022 at 18:51, nousi via lists.fd.io <bnousilal=
gmail....@lists.fd.io> wrote:
> Hi Ole,
>
> My requirement is to sniff the NTP packets using a raw sockets, and
> process them in my application.
> I new bee to VPP world.
>
> >>The message IDs are dynamic and depend on which plugins are loaded.
> i do not understand exactly.
>
> Thanks,
> Nousi
>
> On Wed, 9 Mar 2022 at 17:35, <otr...@employees.org> wrote:
>
>> Hi,
>>
>> > I am not getting a reply from vpp.
>> > Any pointers will be helpful.
>> > Thanks in advance.
>> >
>> > logs below. after " writing punt socket register...:" log it does
>> not come out.
>> >
>> > NTPSYNC-TEST:: app start
>> > NTPSYNC-TEST:: VPP Server Socket bind Successful
>> (/var/run/vpp-punt.sock)
>> > NTPSYNC-TEST:: Connected to vpp...: 0
>> > NTPSYNC-TEST:: message id VL_API_PUNT_SOCKET_REGISTER 694
>> > NTPSYNC-TEST:: message id VL_API_PUNT_SOCKET_REGISTER 695
>>
>> The message IDs are dynamic and depend on which plugins are loaded.
>> Are you sure these are correct?
>>
>> VAPI provides a much higher level C interface. src/vpp-api/vapi/
>> Which would allow you to write much less boilerplate.
>>
>> Ole
>>
>> > NTPSYNC-TEST:: type=1 , ntohl=16777216, htonl=16777216
>> > NTPSYNC-TEST:: protocol = 17
>> > NTPSYNC-TEST:: writing punt socket register...:
>> >
>> >
>> > code:
>> > ----------------
>> > const char* Unix_socket_path = "/var/run/vpp-punt.sock";
>> >
>> > int main()
>> > {
>> > openlog("NTPSYNC-TEST:",0, LOG_USER);
>> > syslog(LOG_INFO, "app start");
>> >
>> > unix_socket_rd = -1;
>> > unix_socket_wr = -1;
>> > strncpy(strAppName, appName, strlen(appName));
>> > maxOutStandingReq = maxOutSize;
>> > responseQueSize = respSize;
>> >
>> > int len, rc;
>> > struct sockaddr_un remote;
>> >
>> > memset(&remote, 0, sizeof(struct sockaddr_un));
>> >
>> > unix_socket_rd = socket(AF_UNIX, SOCK_DGRAM, 0);
>> > if (unix_socket_rd == -1)
>> > {
>> > syslog(LOG_ERR, "VPP Server socket error (%s)",
>> strerror(errno));
>> > return;
>> > }
>> >
>> > remote.sun_family = AF_UNIX;
>> > strcpy(remote.sun_path, Unix_socket_path);
>> > len = sizeof(remote);
>> > unlink(Unix_socket_path);
>> > rc = bind(unix_socket_rd, (struct sockaddr *) &remote, len);
>> > if (rc == -1)
>> > {
>> > syslog(LOG_ERR, "VPP Server Socket bind failed (%s)",
>> strerror(errno));
>> > close(unix_socket_rd);
>> > return;
>> > }
>> > else
>> > {
>> > syslog(LOG_INFO, "VPP Server Socket bind Successful (%s)",
>> Unix_socket_path);
>> > }
>> >
>> > clib_mem_init(0, 3ULL << 30);
>> > test_punt_socket_register_message();
>> > }
>> >
>> > void test_punt_socket_register_message()
>> > {
>> > api_main_t * am = vlibapi_get_main();
>> > vl_api_punt_socket_register_t *mp;
>> > char *read_path = "/var/run/vpp.sock";
>> > int async = 1;
>> >
>> > int rv = vac_connect("vac_client", NULL, wrap_vac_callback, 32 );
>> > if (rv != 0)
>> > {
>> > syslog(LOG_INFO, "Connect failed: %d \n", rv);
>> > exit(rv);
>> > }
>> >
>> > syslog(LOG_INFO,"Connected to vpp...: %d\n", rv);
>> > double timestamp_start = unix_time_now_nsec() * 1e-6;
>> >
>> > if (async)
>> > {
>> > mp = vl_msg_api_alloc(sizeof(*mp));
>> > memset(mp, 0, sizeof(*mp));
>> > mp->_vl_msg_id = ntohs(VL_API_PUNT_SOCKET_REGISTER);
>> > syslog(LOG_INFO," message id
>> VL_API_PUNT_SOCKET_REGISTER %d", VL_API_PUNT_SOCKET_REGISTER);
>> > syslog(LOG_INFO," message id
>> VL_API_PUNT_SOCKET_REGISTER %d", VL_API_PUNT_SOCKET_REGISTER_REPLY);
>> > mp->header_version = ntohl(1);
>> > mp->punt.type = PUNT_API_TYPE_L4;
>> > mp->punt.punt.l4.af = ADDRESS_IP4;
>> > mp->punt.punt.l4.protocol = IP_PROTOCOL_UDP;
>> > mp->punt.punt.l4.port = ntohs(123);
>> > mp->client_index = am->my_client_index;
>> > strncpy((char*) mp->pathname, read_path, 107);
>> > syslog(LOG_INFO, " type=%u , ntohl=%u, htonl=%u", PUNT_API_TYPE_L4,
>> clib_host_to_net_u32(PUNT_API_TYPE_L4),
>> clib_net_to_host_u32(PUNT_API_TYPE_L4));
>> > syslog(LOG_INFO, " protocol = %u", IP_PROTOCOL_UDP);
>> >
>> > syslog(LOG_INFO, " writing punt socket register...:
>> \n");
>> > vac_write((char *)mp, sizeof(*mp));
>> >
>> > while (result_msg_id !=
>> VL_API_PUNT_SOCKET_REGISTER_REPLY);
>> > }
>> >
>> > syslog(LOG_INFO," message id VL_API_PUNT_SOCKET_REGISTER %d",
>> VL_API_CONTROL_PING_REPLY);
>> > if (async)
>> > {
>> > vl_api_control_ping_t control;
>> > vl_api_control_ping_t *mp;
>> > mp = &control;
>> > M_NOALLOC(CONTROL_PING, control_ping);
>> > syslog(LOG_INFO," writing control ping message...: \n");
>> > vac_write((char *)mp, sizeof(*mp));
>> >
>> > while (result_msg_id != VL_API_CONTROL_PING_REPLY);
>> > }
>> >
>> > double timestamp_end = unix_time_now_nsec() * 1e-6;
>> > syslog(LOG_INFO,"\nTook %.2f msec, %.0f msgs/msec \n",
>> (timestamp_end - timestamp_start),
>> > 1/(timestamp_end -
>> timestamp_start));
>> > syslog(LOG_INFO,"Exiting...\n");
>> > vac_disconnect();
>> > }
>> >
>> > --
>> > Thanks & Regards,
>> > B.Nousilal,
>> >
>> >
>> >
>> >
>>
>>
>
> --
>
>
> *Thanks & Regards,B.Nousilal,*
>
>
>
>
--
*Thanks & Regards,B.Nousilal,*
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