Hi All,
I am not getting reply for punt socket register for the following code
*C-Code*
volatile int sigterm_received = 0;
volatile u32 result_ready;
volatile u16 result_msg_id;
/* M_NOALLOC: construct, but don't yet send a message */
#define M_NOALLOC(T,t) \
do { \
result_ready = 0; \
clib_memset (mp, 0, sizeof (*mp)); \
mp->_vl_msg_id = ntohs (VL_API_##T); \
mp->client_index = am->my_client_index; \
} while(0);
void
wrap_vac_callback (unsigned char *data, int len)
{
result_ready = 1;
result_msg_id = ntohs(*((u16 *)data));
vl_api_punt_socket_register_reply_t *rmp =
(vl_api_punt_socket_register_reply_t *)data;
printf(" vpp punt socket path \n", rmp->pathname);
printf("message id : %d\n", result_msg_id);
}
static void
test_connect ()
{
static int i;
int rv = vac_connect("vac_client", NULL, wrap_vac_callback, 32 /*
rx queue-length*/);
if (rv != 0) {
printf("Connect failed: %d\n", rv);
exit(rv);
}
printf(".");
vac_disconnect();
i++;
}
static void test_messages (void)
{
api_main_t * am = vlibapi_get_main();
vl_api_show_version_t message;
vl_api_show_version_t *mp;
int async = 1;
int rv = vac_connect("vac_client", NULL, wrap_vac_callback, 32 /*
rx queue-length*/);
if (rv != 0) {
printf("Connect failed: %d\n", rv);
exit(rv);
}
printf("Connected to vpp...: %d\n", rv);
double timestamp_start = unix_time_now_nsec() * 1e-6;
/*
* Test vpe_api_write and vpe_api_read to send and recv message for
an
* API
*/
int i;
long int no_msgs = 10;
mp = &message;
for (i = 0; i < no_msgs; i++) {
/* Construct the API message */
M_NOALLOC(SHOW_VERSION, show_version);
printf(" writing show version message: \n");
vac_write((char *)mp, sizeof(*mp));
#ifndef __COVERITY__
/* As given, async is always 1. Shut up Coverity about it */
if (!async)
while (result_ready == 0);
#endif
}
if (async) {
vl_api_control_ping_t control;
vl_api_control_ping_t *mp;
mp = &control;
M_NOALLOC(CONTROL_PING, control_ping);
printf(" 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;
printf("\nTook %.2f msec, %.0f msgs/msec \n", (timestamp_end -
timestamp_start),
no_msgs/(timestamp_end - timestamp_start));
printf("Exiting...\n");
vac_disconnect();
}
#define READ_PATH "/tmp/strongswan-uds-socket"
#define PUNT_SOCKET_REGISTER_REPLY "punt_socket_register_reply"
static void test_punt_socket_register_message(void)
{
api_main_t * am = vlibapi_get_main();
vl_api_punt_socket_register_t *mp;
char *read_buffer;
int msg_length;
char *read_path = READ_PATH;
int async = 1;
int rv = vac_connect("vac_client", NULL, wrap_vac_callback, 32 /*
rx queue-length*/);
if (rv != 0) {
printf("Connect failed: %d\n", rv);
exit(rv);
}
printf("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);
printf(" message id VL_API_PUNT_SOCKET_REGISTER
%d",VL_API_PUNT_SOCKET_REGISTER);
printf(" 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 = IPPROTO_UDP;
mp->punt.punt.l4.port = ntohs(4500);
mp->client_index = am->my_client_index;
strncpy(mp->pathname, read_path, 107);
printf(" writing punt socket register...: \n");
vac_write((char *)mp, sizeof(*mp));
while (result_msg_id != VL_API_PUNT_SOCKET_REGISTER_REPLY);
}
printf(" 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);
printf(" 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;
printf("\nTook %.2f msec, %.0f msgs/msec \n", (timestamp_end -
timestamp_start),
1/(timestamp_end - timestamp_start));
printf("Exiting...\n");
vac_disconnect();
}
int main (int argc, char ** argv)
{
clib_mem_init (0, 3ULL << 30);
#if 0
test_stats();
#endif
int i;
/*
for (i = 0; i < 10; i++) {
test_connect();
}
*/
/* test_messages();*/
test_punt_socket_register_message();
exit (0);
}
*Compilation Options used*
gcc vpp_api_client_vac_layer.c -o vpp_api_client_vac_layer.o -lpthread
-lvlibmemoryclient -lvppinfra -lvppapiclient -I/usr/include/
*Output*
[root@8f57181df3a1 vpp_c_api_examples]# ./vpp_api_client_vac_layer.o
Connected to vpp...: 0
message id VL_API_PUNT_SOCKET_REGISTER 538 message id
VL_API_PUNT_SOCKET_REGISTER 539 writing punt socket register...:
*Startup conf *
[root@8f57181df3a1 vpp_c_api_examples]# cat /etc/vpp/startup.conf
unix {
#nodaemon
#interactive
log /var/log/vpp/vpp.log
cli-listen /run/vpp/cli.sock
gid vpp
#exec /etc/ipsec-setup.txt
}
cpu {
main-core 2
}
dpdk {
dev default {
num-rx-desc 512
num-tx-desc 512
}
socket-mem 1024
dev 0000:00:04.0
uio-driver uio_pci_generic
}
logging {
default-log-level debug
default-syslog-log-level info
}
socksvr { socket-name /run/vpp-api.sock}
punt { socket /run/vpp-punt.sock }
It is stuck, can you please suggest how to debug this ?
Thanks,
Regards,
Venu
On Fri, 8 Oct 2021 at 13:10, Venumadhav Josyula via lists.fd.io <vjosyula=
[email protected]> wrote:
> Hi All,
>
> I am not getting reply for punt socket register for the following code
>
>
> *C-Code*
> volatile int sigterm_received = 0;
> volatile u32 result_ready;
> volatile u16 result_msg_id;
>
> /* M_NOALLOC: construct, but don't yet send a message */
>
> #define M_NOALLOC(T,t) \
> do { \
> result_ready = 0; \
> clib_memset (mp, 0, sizeof (*mp)); \
> mp->_vl_msg_id = ntohs (VL_API_##T); \
> mp->client_index = am->my_client_index; \
> } while(0);
>
> void
> wrap_vac_callback (unsigned char *data, int len)
> {
> result_ready = 1;
> result_msg_id = ntohs(*((u16 *)data));
> vl_api_punt_socket_register_reply_t *rmp =
> (vl_api_punt_socket_register_reply_t *)data;
> printf(" vpp punt socket path \n", rmp->pathname);
> printf("message id : %d\n", result_msg_id);
> }
>
> static void
> test_connect ()
> {
> static int i;
> int rv = vac_connect("vac_client", NULL, wrap_vac_callback, 32 /*
> rx queue-length*/);
> if (rv != 0) {
> printf("Connect failed: %d\n", rv);
> exit(rv);
> }
> printf(".");
> vac_disconnect();
> i++;
> }
>
>
> static void test_messages (void)
> {
> api_main_t * am = vlibapi_get_main();
> vl_api_show_version_t message;
> vl_api_show_version_t *mp;
> int async = 1;
>
> int rv = vac_connect("vac_client", NULL, wrap_vac_callback, 32 /*
> rx queue-length*/);
> if (rv != 0) {
> printf("Connect failed: %d\n", rv);
> exit(rv);
> }
>
>
> printf("Connected to vpp...: %d\n", rv);
> double timestamp_start = unix_time_now_nsec() * 1e-6;
>
>
>
> /*
> * Test vpe_api_write and vpe_api_read to send and recv message
> for an
> * API
> */
> int i;
> long int no_msgs = 10;
> mp = &message;
>
> for (i = 0; i < no_msgs; i++) {
> /* Construct the API message */
> M_NOALLOC(SHOW_VERSION, show_version);
> printf(" writing show version message: \n");
> vac_write((char *)mp, sizeof(*mp));
> #ifndef __COVERITY__
> /* As given, async is always 1. Shut up Coverity about it
> */
> if (!async)
> while (result_ready == 0);
> #endif
> }
> if (async) {
> vl_api_control_ping_t control;
> vl_api_control_ping_t *mp;
> mp = &control;
> M_NOALLOC(CONTROL_PING, control_ping);
> printf(" 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;
> printf("\nTook %.2f msec, %.0f msgs/msec \n", (timestamp_end -
> timestamp_start),
> no_msgs/(timestamp_end - timestamp_start));
> printf("Exiting...\n");
> vac_disconnect();
> }
>
> #define READ_PATH "/tmp/strongswan-uds-socket"
> #define PUNT_SOCKET_REGISTER_REPLY "punt_socket_register_reply"
>
> static void test_punt_socket_register_message(void)
> {
> api_main_t * am = vlibapi_get_main();
> vl_api_punt_socket_register_t *mp;
> char *read_buffer;
> int msg_length;
> char *read_path = READ_PATH;
> int async = 1;
>
> int rv = vac_connect("vac_client", NULL, wrap_vac_callback, 32 /*
> rx queue-length*/);
> if (rv != 0) {
> printf("Connect failed: %d\n", rv);
> exit(rv);
> }
>
> printf("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);
> printf(" message id VL_API_PUNT_SOCKET_REGISTER
> %d",VL_API_PUNT_SOCKET_REGISTER);
> printf(" 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 = IPPROTO_UDP;
> mp->punt.punt.l4.port = ntohs(4500);
> mp->client_index = am->my_client_index;
> strncpy(mp->pathname, read_path, 107);
> printf(" writing punt socket register...: \n");
> vac_write((char *)mp, sizeof(*mp));
>
> while (result_msg_id != VL_API_PUNT_SOCKET_REGISTER_REPLY);
> }
> printf(" 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);
> printf(" 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;
> printf("\nTook %.2f msec, %.0f msgs/msec \n", (timestamp_end -
> timestamp_start),
> 1/(timestamp_end - timestamp_start));
> printf("Exiting...\n");
> vac_disconnect();
> }
>
> int main (int argc, char ** argv)
> {
> clib_mem_init (0, 3ULL << 30);
> #if 0
> test_stats();
> #endif
>
> int i;
> /*
> for (i = 0; i < 10; i++) {
> test_connect();
> }
> */
>
> /* test_messages();*/
> test_punt_socket_register_message();
> exit (0);
> }
>
> *Compilation Options used*
>
> gcc vpp_api_client_vac_layer.c -o vpp_api_client_vac_layer.o -lpthread
> -lvlibmemoryclient -lvppinfra -lvppapiclient -I/usr/include/
>
> *Output*
> [root@8f57181df3a1 vpp_c_api_examples]# ./vpp_api_client_vac_layer.o
> Connected to vpp...: 0
> message id VL_API_PUNT_SOCKET_REGISTER 538 message id
> VL_API_PUNT_SOCKET_REGISTER 539 writing punt socket register...:
>
> It is stuck, can you please suggest how to debug this ?
>
> Thanks,
> Regards,
> Venu
>
>
>
>
> On Fri, 1 Oct 2021 at 14:12, Venumadhav Josyula via lists.fd.io <vjosyula=
> [email protected]> wrote:
>
>> Thanks, my mistake, it worked...
>>
>> On Fri, 1 Oct 2021 at 13:34, Stanislav Zaikin <[email protected]> wrote:
>>
>>> You need to uncomment clib_mem_init
>>>
>>> On Fri, 1 Oct 2021 at 10:01, Venumadhav Josyula <[email protected]>
>>> wrote:
>>>
>>>> Hi Ole,
>>>>
>>>> So instead of the code below, I tried the code from
>>>> "src/vpp-api/client/test.c". I directly copied this into my .c file. And
>>>> following commands i used
>>>>
>>>> compilation + linking : - gcc vpp_api_client_vac_layer.c -o
>>>> vpp_api_client_vac_layer.o -lpthread -lvlibmemoryclient -lvppinfra
>>>> -lvppapiclient -I/usr/include/
>>>> code is below
>>>> #include<stdio.h>
>>>> #include<stdlib.h>
>>>> #include <vnet/vnet.h>
>>>> #include <vlib/vlib.h>
>>>> #include <vlib/unix/unix.h>
>>>> #include <vlibapi/api.h>
>>>> #include <vppinfra/time.h>
>>>> #include <vpp/api/vpe_msg_enum.h>
>>>> #include <signal.h>
>>>>
>>>> #include<vpp-api/client/vppapiclient.h>
>>>> #include<vpp-api/client/stat_client.h>
>>>>
>>>> #define vl_typedefs /* define message structures */
>>>> #include <vpp/api/vpe_all_api_h.h>
>>>> #undef vl_typedefs
>>>>
>>>>
>>>> volatile int sigterm_received = 0;
>>>> volatile u32 result_ready;
>>>> volatile u16 result_msg_id;
>>>>
>>>> /* M_NOALLOC: construct, but don't yet send a message */
>>>>
>>>> #define M_NOALLOC(T,t) \
>>>> do { \
>>>> result_ready = 0; \
>>>> clib_memset (mp, 0, sizeof (*mp)); \
>>>> mp->_vl_msg_id = ntohs (VL_API_##T); \
>>>> mp->client_index = am->my_client_index; \
>>>> } while(0);
>>>>
>>>> void
>>>> wrap_vac_callback (unsigned char *data, int len)
>>>> {
>>>> result_ready = 1;
>>>> result_msg_id = ntohs(*((u16 *)data));
>>>> }
>>>>
>>>> static void
>>>> test_connect ()
>>>> {
>>>> static int i;
>>>> int rv = vac_connect("vac_client", NULL, wrap_vac_callback, 32
>>>> /* rx queue-length*/);
>>>> if (rv != 0) {
>>>> printf("Connect failed: %d\n", rv);
>>>> exit(rv);
>>>> }
>>>> printf(".");
>>>> vac_disconnect();
>>>> i++;
>>>> }
>>>>
>>>> static void test_messages (void)
>>>> {
>>>> api_main_t * am = vlibapi_get_main();
>>>> vl_api_show_version_t message;
>>>> vl_api_show_version_t *mp;
>>>> int async = 1;
>>>>
>>>> int rv = vac_connect("vac_client", NULL, wrap_vac_callback, 32
>>>> /* rx queue-length*/);
>>>> if (rv != 0) {
>>>> printf("Connect failed: %d\n", rv);
>>>> exit(rv);
>>>> }
>>>>
>>>> double timestamp_start = unix_time_now_nsec() * 1e-6;
>>>>
>>>> /*
>>>> * Test vpe_api_write and vpe_api_read to send and recv message
>>>> for an
>>>> * API
>>>> */
>>>> int i;
>>>> long int no_msgs = 10000;
>>>> mp = &message;
>>>>
>>>> for (i = 0; i < no_msgs; i++) {
>>>> /* Construct the API message */
>>>> M_NOALLOC(SHOW_VERSION, show_version);
>>>> vac_write((char *)mp, sizeof(*mp));
>>>> #ifndef __COVERITY__
>>>> /* As given, async is always 1. Shut up Coverity about
>>>> it */
>>>> if (!async)
>>>> while (result_ready == 0);
>>>> #endif
>>>> }
>>>> if (async) {
>>>> vl_api_control_ping_t control;
>>>> vl_api_control_ping_t *mp;
>>>> mp = &control;
>>>> M_NOALLOC(CONTROL_PING, control_ping);
>>>> vac_write((char *)mp, sizeof(*mp));
>>>>
>>>> while (result_msg_id != VL_API_CONTROL_PING_REPLY);
>>>> }
>>>>
>>>> double timestamp_end = unix_time_now_nsec() * 1e-6;
>>>> printf("\nTook %.2f msec, %.0f msgs/msec \n", (timestamp_end -
>>>> timestamp_start),
>>>> no_msgs/(timestamp_end - timestamp_start));
>>>> printf("Exiting...\n");
>>>> vac_disconnect();
>>>> }
>>>>
>>>>
>>>> int main (int argc, char ** argv)
>>>> {
>>>> #if 0
>>>> clib_mem_init (0, 3ULL << 30);
>>>> test_stats();
>>>> #endif
>>>>
>>>> int i;
>>>>
>>>> for (i = 0; i < 1000; i++) {
>>>> test_connect();
>>>> }
>>>>
>>>> test_messages();
>>>> exit (0);
>>>> }
>>>>
>>>> It compiled successfully, i got following assert for heap
>>>> [root@8f57181df3a1 vpp_c_api_examples]# gdb
>>>> ./vpp_api_client_vac_layer.o
>>>> GNU gdb (GDB) Red Hat Enterprise Linux 8.3-3.el7
>>>> Copyright (C) 2019 Free Software Foundation, Inc.
>>>> License GPLv3+: GNU GPL version 3 or later <
>>>> http://gnu.org/licenses/gpl.html>
>>>> This is free software: you are free to change and redistribute it.
>>>> There is NO WARRANTY, to the extent permitted by law.
>>>> Type "show copying" and "show warranty" for details.
>>>> This GDB was configured as "x86_64-redhat-linux-gnu".
>>>> Type "show configuration" for configuration details.
>>>> For bug reporting instructions, please see:
>>>> <http://www.gnu.org/software/gdb/bugs/>.
>>>> Find the GDB manual and other documentation resources online at:
>>>> <http://www.gnu.org/software/gdb/documentation/>.
>>>>
>>>> For help, type "help".
>>>> Type "apropos word" to search for commands related to "word"...
>>>> Reading symbols from ./vpp_api_client_vac_layer.o...
>>>> (No debugging symbols found in ./vpp_api_client_vac_layer.o)
>>>> (gdb) r
>>>> Starting program: /root/vpp_c_api_examples/vpp_api_client_vac_layer.o
>>>> Missing separate debuginfos, use: debuginfo-install
>>>> glibc-2.17-324.el7_9.x86_64
>>>> [Thread debugging using libthread_db enabled]
>>>> Using host libthread_db library "/lib64/libthread_db.so.1".
>>>> vpp_api_client_vac_layer.o:
>>>> /vpp/build-root/rpmbuild/vpp-21.06.0/src/vpp-api/client/client.c:295:
>>>> vac_connect: Assertion `clib_mem_get_heap ()' failed.
>>>>
>>>> Program received signal SIGABRT, Aborted.
>>>> 0x00007ffff7827387 in raise () from /lib64/libc.so.6
>>>> (gdb) bt
>>>> #0 0x00007ffff7827387 in raise () from /lib64/libc.so.6
>>>> #1 0x00007ffff7828a78 in abort () from /lib64/libc.so.6
>>>> #2 0x00007ffff78201a6 in __assert_fail_base () from /lib64/libc.so.6
>>>> #3 0x00007ffff7820252 in __assert_fail () from /lib64/libc.so.6
>>>> #4 0x00007ffff7f57bcd in vac_connect (name=0x402010 "vac_client",
>>>> chroot_prefix=0x0, cb=0x4011d2 <wrap_vac_callback>, rx_qlen=32)
>>>> at /usr/src/debug/vpp-21.06.0/src/vpp-api/client/client.c:314
>>>> #5 0x0000000000401227 in test_connect ()
>>>> #6 0x0000000000401687 in main ()
>>>> (gdb)
>>>>
>>>> Startup.conf
>>>> [root@8f57181df3a1 vpp_c_api_examples]# cat /etc/vpp/startup.conf
>>>> unix {
>>>> #nodaemon
>>>> #interactive
>>>> log /var/log/vpp/vpp.log
>>>> cli-listen /run/vpp/cli.sock
>>>> gid vpp
>>>> #exec /etc/ipsec-setup.txt
>>>> }
>>>>
>>>> cpu {
>>>> main-core 2
>>>> }
>>>>
>>>> dpdk {
>>>> dev default {
>>>> num-rx-desc 512
>>>> num-tx-desc 512
>>>> }
>>>> socket-mem 1024
>>>> dev 0000:00:04.0
>>>> uio-driver uio_pci_generic
>>>> }
>>>>
>>>> logging {
>>>> default-log-level debug
>>>> default-syslog-log-level info
>>>> }
>>>> [root@8f57181df3a1 vpp_c_api_examples]#
>>>> I
>>>> Is there some setting i need to do in the startup.conf ?
>>>>
>>>> Please suggest a way to fix this assert.
>>>>
>>>> Thanks,
>>>> Regards
>>>> Venu
>>>>
>>>> On Thu, 30 Sept 2021 at 21:08, Benoit Ganne (bganne) <[email protected]>
>>>> wrote:
>>>>
>>>>> You should remove -lvlib it is not needed here.
>>>>> If you really want to link with vlib, you must fix the link ordering:
>>>>> vlib depends upon vppinfra (where os_exit is defined) so you'd need link
>>>>> as
>>>>> -lvlib -lvppinfra instead of the opposite (the C linker scan libraries
>>>>> symbols in reverse order, so symbols declared in a library are available
>>>>> to
>>>>> libraries listed *before*).
>>>>>
>>>>> Best
>>>>> ben
>>>>>
>>>>> > -----Original Message-----
>>>>> > From: [email protected] <[email protected]> On Behalf Of
>>>>> Venumadhav
>>>>> > Josyula
>>>>> > Sent: jeudi 30 septembre 2021 16:09
>>>>> > To: Akash S R <[email protected]>
>>>>> > Cc: Benoit Ganne (bganne) <[email protected]>; Ole Troan
>>>>> > <[email protected]>; RaviKiran Veldanda <[email protected]>;
>>>>> vpp-
>>>>> > dev <[email protected]>
>>>>> > Subject: Re: [vpp-dev] VPP Socket API how to use from the application
>>>>> > #socket-api #vpp #sock-api
>>>>> >
>>>>> > Hi Akash,
>>>>> >
>>>>> > Thansks, now after devtoolset,
>>>>> >
>>>>> >
>>>>> > @Benoit Ganne (bganne) <mailto:[email protected]> , @Ole Troan
>>>>> > <mailto:[email protected]>
>>>>> >
>>>>> > i am getting following error
>>>>> >
>>>>> > [root@8f57181df3a1 vpp_c_api_examples]# gcc vpp_api_client_test3.c
>>>>> -o
>>>>> > vpp_api_client_test3.o -lvlibmemoryclient -lsvm -lvppinfra -lvlib
>>>>> > /opt/rh/devtoolset-9/root/usr/libexec/gcc/x86_64-redhat-linux/9/ld:
>>>>> > /lib/../lib64/libvlib.so: undefined reference to
>>>>> > `classify_get_trace_chain'
>>>>> > /opt/rh/devtoolset-9/root/usr/libexec/gcc/x86_64-redhat-linux/9/ld:
>>>>> > /lib/../lib64/libvlib.so: undefined reference to
>>>>> > `stat_segment_register_gauge'
>>>>> > /opt/rh/devtoolset-9/root/usr/libexec/gcc/x86_64-redhat-linux/9/ld:
>>>>> > /lib/../lib64/libvlib.so: undefined reference to `os_exit'
>>>>> > collect2: error: ld returned 1 exit status
>>>>> > [root@8f57181df3a1 vpp_c_api_examples]#
>>>>> >
>>>>> > Let me paste the code again,
>>>>> > #include<stdio.h>
>>>>> > #include<stdlib.h>
>>>>> > #include <vlibapi/api.h>
>>>>> > #include <vlibmemory/api.h>
>>>>> > #include <vpp/api/vpe_msg_enum.h>
>>>>> >
>>>>> > #define vl_typedefs
>>>>> > #define vl_endianfun
>>>>> > #include <vpp/api/vpe_all_api_h.h>
>>>>> > #undef vl_typedefs
>>>>> > #undef vl_endianfun
>>>>> >
>>>>> > int main()
>>>>> > {
>>>>> > char *name = "vpp-test-app";
>>>>> >
>>>>> > clib_mem_init_thread_safe (0, 64ULL << 20);
>>>>> >
>>>>> > if (vl_client_api_map("/vpe-api"))
>>>>> > {
>>>>> > printf("unable to map....\n");
>>>>> > goto quit;
>>>>> > }
>>>>> > if (vl_client_connect("vpp-test-app", 0, 32) < 0)
>>>>> > {
>>>>> > printf("unable to connect \n");
>>>>> > vl_client_api_unmap();
>>>>> > goto quit;
>>>>> > }
>>>>> > printf("successfully connected... \n");
>>>>> > quit:
>>>>> > return 0;
>>>>> > }
>>>>> >
>>>>> > Is this wrong way, i am trying to use APIs ?
>>>>> >
>>>>> > Thanks,
>>>>> > Regards
>>>>> > Venu
>>>>> >
>>>>> >
>>>>> > On Thu, 30 Sept 2021 at 19:00, Akash S R <[email protected]
>>>>> > <mailto:[email protected]> > wrote:
>>>>> >
>>>>> >
>>>>> > Hey Venu,
>>>>> >
>>>>> > Try "scl enable devtoolset-9 bash" inside your docker or
>>>>> update your
>>>>> > gcc version.
>>>>> >
>>>>> >
>>>>> > /Akash S R
>>>>> >
>>>>> > On Thu, Sep 30, 2021, 18:54 Venumadhav Josyula <
>>>>> [email protected]
>>>>> > <mailto:[email protected]> > wrote:
>>>>> >
>>>>> >
>>>>> > Hi Benoit,
>>>>> >
>>>>> > Thanks for quick reply.
>>>>> >
>>>>> > I have docker with following
>>>>> > [root@8f57181df3a1 vpp_c_api_examples]# rpm -qa |
>>>>> grep vpp
>>>>> > vpp-lib-21.06.0-4~g0d9d3a0.x86_64
>>>>> > vpp-api-lua-21.06.0-4~g0d9d3a0.x86_64
>>>>> > vpp-api-python3-21.06.0-4~g0d9d3a0.x86_64
>>>>> > vpp-debuginfo-21.06.0-4~g0d9d3a0.x86_64
>>>>> > vpp-selinux-policy-21.06.0-4~g0d9d3a0.x86_64
>>>>> > vpp-21.06.0-4~g0d9d3a0.x86_64
>>>>> > vpp-plugins-21.06.0-4~g0d9d3a0.x86_64
>>>>> > vpp-devel-21.06.0-4~g0d9d3a0.x86_64
>>>>> >
>>>>> > This will vpp running in it.
>>>>> >
>>>>> > [root@8f57181df3a1 /]# cat /etc/redhat-release
>>>>> > CentOS Linux release 7.3.1611 (Core)
>>>>> > [root@8f57181df3a1 /]#
>>>>> >
>>>>> > > Eg. use devtoolset-9 (gcc-9).
>>>>> >
>>>>> >
>>>>> > How do I use it ?
>>>>> >
>>>>> > Thanks,
>>>>> > Regards,
>>>>> > Venu
>>>>> >
>>>>> >
>>>>> > On Thu, 30 Sept 2021 at 18:47, Benoit Ganne (bganne)
>>>>> > <[email protected] <mailto:[email protected]> > wrote:
>>>>> >
>>>>> >
>>>>> > You should upgrade your compiler... GCC-4 is
>>>>> way too
>>>>> > old.
>>>>> > Eg. use devtoolset-9 (gcc-9).
>>>>> >
>>>>> > Best
>>>>> > ben
>>>>> >
>>>>> > > -----Original Message-----
>>>>> > > From: [email protected] <mailto:
>>>>> [email protected]>
>>>>> > <[email protected] <mailto:[email protected]> > On Behalf Of
>>>>> > Venumadhav
>>>>> > > Josyula
>>>>> > > Sent: jeudi 30 septembre 2021 14:49
>>>>> > > To: [email protected] <mailto:
>>>>> [email protected]>
>>>>> > > Cc: RaviKiran Veldanda <
>>>>> [email protected]
>>>>> > <mailto:[email protected]> >; vpp-dev <vpp-
>>>>> > > [email protected] <mailto:[email protected]> >
>>>>> > > Subject: Re: [vpp-dev] VPP Socket API how to
>>>>> use from
>>>>> > the application
>>>>> > > #socket-api #vpp #sock-api
>>>>> > >
>>>>> > > Hi Ole / Others,
>>>>> > >
>>>>> > >
>>>>> > >
>>>>> > > Thanks for your email, i getting following
>>>>> compilation
>>>>> > error
>>>>> > > [root@8f57181df3a1 vpp_c_api_examples]# gcc
>>>>> > vpp_api_client_test3.c -o
>>>>> > > vpp_api_client_test3.o -lvlibmemoryclient
>>>>> -lsvm -
>>>>> > lvppinfra -lvlib
>>>>> > > In file included from
>>>>> > /usr/include/vppinfra/error.h:41:0,
>>>>> > > from
>>>>> /usr/include/vlibapi/api.h:24,
>>>>> > > from
>>>>> vpp_api_client_test3.c:3:
>>>>> > > /usr/include/vppinfra/clib.h:43:18: error:
>>>>> missing
>>>>> > binary operator before
>>>>> > > token "("
>>>>> > > #if __has_include(<vppinfra/config.h>)
>>>>> > > ^
>>>>> > > In file included from
>>>>> > /usr/include/vppinfra/mem.h:49:0,
>>>>> > > from
>>>>> /usr/include/vppinfra/vec.h:42,
>>>>> > > from
>>>>> > /usr/include/vppinfra/error.h:53,
>>>>> > > from
>>>>> /usr/include/vlibapi/api.h:24,
>>>>> > > from
>>>>> vpp_api_client_test3.c:3:
>>>>> > > /usr/include/vppinfra/string.h:92:34: error:
>>>>> expected
>>>>> > ';', ',' or ')'
>>>>> > > before 'dst'
>>>>> > > clib_memcpy_fast (void *restrict dst, const
>>>>> void
>>>>> > *restrict src, size_t n)
>>>>> > > ^
>>>>> > > [root@8f57181df3a1 vpp_c_api_examples]# vim
>>>>> > /usr/include/vppinfra/clib.h
>>>>> > > +43
>>>>> > > [root@8f57181df3a1 vpp_c_api_examples]# vim
>>>>> > /usr/include/vppinfra/clib.h
>>>>> > > +43
>>>>> > > [root@8f57181df3a1 vpp_c_api_examples]# gcc
>>>>> --version
>>>>> > > gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)
>>>>> > > Copyright (C) 2015 Free Software Foundation,
>>>>> Inc.
>>>>> > > This is free software; see the source for
>>>>> copying
>>>>> > conditions. There is NO
>>>>> > > warranty; not even for MERCHANTABILITY or
>>>>> FITNESS FOR
>>>>> > A PARTICULAR
>>>>> > > PURPOSE.
>>>>> > >
>>>>> > > [root@8f57181df3a1 vpp_c_api_examples]#
>>>>> > >
>>>>> > >
>>>>> > > -----------------
>>>>> > >
>>>>> > > c -code
>>>>> > > ----------------
>>>>> > >
>>>>> > >
>>>>> > > #include<stdio.h>
>>>>> > > #include<stdlib.h>
>>>>> > > #include <vlibapi/api.h>
>>>>> > > #include <vlibmemory/api.h>
>>>>> > > #include <vpp/api/vpe_msg_enum.h>
>>>>> > >
>>>>> > > #define vl_typedefs
>>>>> > > #define vl_endianfun
>>>>> > > #include <vpp/api/vpe_all_api_h.h>
>>>>> > > #undef vl_typedefs
>>>>> > > #undef vl_endianfun
>>>>> > >
>>>>> > > int main()
>>>>> > > {
>>>>> > > char *name = "vpp-test-app";
>>>>> > >
>>>>> > > clib_mem_init_thread_safe (0, 64ULL <<
>>>>> 20);
>>>>> > >
>>>>> > > if (vl_client_api_map("/vpe-api"))
>>>>> > > {
>>>>> > > printf("unable to map....\n");
>>>>> > > goto quit;
>>>>> > > }
>>>>> > > if (vl_client_connect("vpp-test-app", 0,
>>>>> 32) < 0)
>>>>> > > {
>>>>> > > printf("unable to connect \n");
>>>>> > > vl_client_api_unmap();
>>>>> > > goto quit;
>>>>> > > }
>>>>> > > printf("successfully connected... \n");
>>>>> > > quit:
>>>>> > > return 0;
>>>>> > > }
>>>>> > >
>>>>> > >
>>>>> > > ------------
>>>>> > >
>>>>> > >
>>>>> > > Can you please suggest what can i be doing
>>>>> worng ?
>>>>> > >
>>>>> > >
>>>>> > > Thanks,
>>>>> > > Regards,
>>>>> > > Venu
>>>>> > >
>>>>> > >
>>>>> > > On Thu, 30 Sept 2021 at 13:21, <
>>>>> [email protected]
>>>>> > <mailto:[email protected]>
>>>>> > > <mailto:[email protected]
>>>>> > <mailto:[email protected]> > > wrote:
>>>>> > >
>>>>> > >
>>>>> > > Hi Venu,
>>>>> > >
>>>>> > > > Any examples for VAPI shared to use
>>>>> binary
>>>>> > APIs ?
>>>>> > >
>>>>> > > Try this for a start:
>>>>> > > https://git.fd.io/vpp/tree/src/vpp-
>>>>> > api/vapi/vapi_c_test.c
>>>>> > >
>>>>> > > Cheers,
>>>>> > > Ole
>>>>> > >
>>>>> > >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>> --
>>> Best regards
>>> Stanislav Zaikin
>>>
>>
>>
>>
>>
>
>
>
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