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Subject: NETWORK PROGRAMMING LAB Year : 2010
Class : IV B-Tech C.S.E Semester: First
WEEK 6:
AIM: Design TCP client and server application to transfer file /* tcp_fil_ser.c */
#include "unp.h"
void str_echo(int sockfd)
{
long arg1, arg2;
ssize_t n;
char line[MAXLINE];
char fname[100];
char ch;
FILE*f;
int i=0;
for ( ; ; )
{
if ( (n = Readline(sockfd, line, MAXLINE)) == 0)
return;
/* connection closed by other end */
n = strlen(line);
printf("\nReq From Client for file : %s",line);
printf("\n.......%s",fname);
f=fopen(“myfile”,"r");
while((ch=getc(f))!=EOF)
{
line[i++]=ch;
}
line[i]=0;
n=i;
fclose(f);
Writen(sockfd, line, n);
}
}
int main(int argc, char **argv)
{
int listenfd, connfd;
pid_t childpid;
socklen_t clilen;
struct sockaddr_in cliaddr, servaddr;
listenfd = Socket(AF_INET, SOCK_STREAM, 0);
NP Lab Manual , RNEC page: 30