/* udpserver.c */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
int main()
{
int sock,addr_len,send_data[1024],recv_data[1024],i,j,bytes_read,temp=0,flag=1;
struct sockaddr_in server_addr , client_addr;
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
{
perror("Socket");
exit(1);
}
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(5000);
server_addr.sin_addr.s_addr = INADDR_ANY;
bzero(&(server_addr.sin_zero),8);
if (bind(sock,(struct sockaddr *)&server_addr,sizeof(struct sockaddr)) == -1)
{
perror("Bind");
exit(1);
}
addr_len = sizeof(struct sockaddr);
printf("\n Server Waiting for client on port 5000......");
fflush(stdout);
bytes_read = recvfrom(sock,recv_data,1024,0,(struct sockaddr *)&client_addr, &addr_len);
for(i = 1; (i <=5) && flag; i++)
{
flag = 0;
for (j=0; j < 4; j++)
{
if (recv_data[j+1] >recv_data[j])
{
temp =recv_data[j];
recv_data[j] =recv_data[j+1];
recv_data[j+1] = temp;
flag = 1;
}
}
}
for(i=0;i<5;i++)
send_data[i]=recv_data[i];
sendto(sock, send_data,500, 0,(struct sockaddr *)&client_addr, sizeof(struct sockaddr));
printf("\nSent Shorted array to client\n");
fflush(stdout);
return 0;
}