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/*
* Copyright (c) 2015 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define SOCKCLNT_SERVER_PORT 32741 /* whatever */
typedef signed char i8;
typedef signed short i16;
typedef signed int i32;
typedef signed long long i64;
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
typedef unsigned long long u64;
typedef unsigned long uword;
#define VL_API_PACKED(x) x __attribute__ ((packed))
typedef VL_API_PACKED (struct _vl_api_sockclnt_create
{
u16 _vl_msg_id; u8 name[64];
u32 context;
}) vl_api_sockclnt_create_t;
typedef VL_API_PACKED (struct _vl_api_sockclnt_create_reply
{
u16 _vl_msg_id;
i32 response; u64 handle; u32 index; u32 context;
}) vl_api_sockclnt_create_reply_t;
typedef VL_API_PACKED (struct _vl_api_sockclnt_delete
{
u16 _vl_msg_id; u32 index;
u64 handle;
}) vl_api_sockclnt_delete_t;
typedef VL_API_PACKED (struct _vl_api_sockclnt_delete_reply
{
u16 _vl_msg_id; i32 response; u64 handle;
}) vl_api_sockclnt_delete_reply_t;
void
error (char *msg)
{
perror (msg);
exit (0);
}
int
main (int argc, char *argv[])
{
int sockfd, portno, n;
struct sockaddr_in serv_addr;
struct hostent *server;
char buffer[256];
int i;
u32 nbytes;
vl_api_sockclnt_create_t *mp;
vl_api_sockclnt_create_reply_t *rp;
char *rdptr;
int total_bytes;
for (i = 0; i < 1; i++)
{
portno = SOCKCLNT_SERVER_PORT;
sockfd = socket (AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
error ("ERROR opening socket");
server = gethostbyname ("localhost");
if (server == NULL)
{
fprintf (stderr, "ERROR, no such host\n");
exit (0);
}
bzero ((char *) &serv_addr, sizeof (serv_addr));
serv_addr.sin_family = AF_INET;
bcopy ((char *) server->h_addr,
(char *) &serv_addr.sin_addr.s_addr, server->h_length);
serv_addr.sin_port = htons (portno);
if (connect (sockfd, (const void *) &serv_addr, sizeof (serv_addr)) < 0)
error ("ERROR connecting");
memset (buffer, 0, sizeof (buffer));
mp = (vl_api_sockclnt_create_t *) buffer;
mp->_vl_msg_id = ntohs (8); /* VL_API_SOCKCLNT_CREATE */
strncpy ((char *) mp->name, "socket-test", sizeof (mp->name) - 1);
mp->name[sizeof (mp->name) - 1] = 0;
mp->context = 0xfeedface;
/* length of the message, including the length itself */
nbytes = sizeof (*mp) + sizeof (nbytes);
nbytes = ntohl (nbytes);
n = write (sockfd, &nbytes, sizeof (nbytes));
if (n < 0)
error ("ERROR writing len to socket");
n = write (sockfd, mp, sizeof (*mp));
if (n < 0)
error ("ERROR writing msg to socket");
memset (buffer, 0, sizeof (buffer));
total_bytes = 0;
rdptr = buffer;
do
{
n = read (sockfd, rdptr, sizeof (buffer) - (rdptr - buffer));
if (n < 0)
error ("ERROR reading from socket");
printf ("read %d bytes\n", n);
total_bytes += n;
rdptr += n;
}
while (total_bytes < sizeof (vl_api_sockclnt_create_reply_t) + 4);
rp = (vl_api_sockclnt_create_reply_t *) (buffer + 4);
/* VL_API_SOCKCLNT_CREATE_REPLY */
if (ntohs (rp->_vl_msg_id) != 9)
{
printf ("WARNING: msg id %d\n", ntohs (rp->_vl_msg_id));
}
printf ("response %d, handle 0x%llx, index %d, context 0x%x\n",
ntohl (rp->response), rp->handle, rp->index, rp->context);
close (sockfd);
}
return 0;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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