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#define _GNU_SOURCE
#include <unistd.h>
#include <stdio.h>
#include <sys/socket.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <string.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "dmm_pub_api.h"
#define PORT 8080
int server_fd;
struct sockaddr_in address;
int
loop (void *arg)
{
int new_socket, valread;
int addrlen = sizeof (address);
char buffer[1024] = { 0 };
char hello[1024] = { 0 };
sprintf (hello, "Hello from server\t PROC_ID : %d", getpid ());
printf ("before accept\n");
if ((new_socket = accept (server_fd, (struct sockaddr *) &address,
(socklen_t *) & addrlen)) < 0)
{
printf ("accept failed");
return -1;
}
printf ("accept success\n");
valread = read (new_socket, buffer, 1024);
printf ("%s\n", buffer);
send (new_socket, hello, strlen (hello), 0);
printf ("Hello message sent\n");
return 0;
}
int
main (int argc, char *argv[])
{
int opt = 1;
int addrlen = sizeof (address);
#if 0
if (-1 == nstack_conf (argc, argv))
{
printf ("nstack_conf failed\n");
return -1;
}
#endif
if ((server_fd = socket (AF_INET, SOCK_STREAM, 0)) == 0)
{
printf ("socket failed\n");
exit (EXIT_FAILURE);
}
address.sin_family = AF_INET;
address.sin_addr.s_addr = inet_addr ("172.28.128.13");
address.sin_port = htons (PORT);
// Forcefully attaching socket to the port 8080
if (bind (server_fd, (struct sockaddr *) &address, sizeof (address)) < 0)
{
printf ("bind failed");
exit (EXIT_FAILURE);
}
printf ("bind success\n");
if (listen (server_fd, 3) < 0)
{
printf ("listen");
exit (EXIT_FAILURE);
}
printf ("listen success\n");
nstack_run ((void *) loop);
return 0;
}
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