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;

}