tcpserver
/* tcpserver.c */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
int main()
{
int sock, connected, bytes_recieved , true = 1,i,j,temp=0,flag=1;
int send_data [1024] , recv_data[1024];
struct sockaddr_in server_addr,client_addr;
int sin_size;
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
perror("Socket");
exit(1);
}
if (setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,&true,sizeof(int)) == -1) {
perror("Setsockopt");
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("Unable to bind");
exit(1);
}
if (listen(sock, 5) == -1) {
perror("Listen");
exit(1);
}
printf("\n Server Waiting for client on port 5000....");
fflush(stdout);
while(1)
{
sin_size = sizeof(struct sockaddr_in);
connected = accept(sock, (struct sockaddr *)&client_addr,&sin_size);
bytes_recieved = recv(connected,recv_data,1024,0);
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];
send(connected, send_data,1000, 0);
printf("\nSent Shorted array to client\n");
fflush(stdout);
}
close(sock);
return 0;
}