Hii I am a igner with FTP > Now I am in need to impliment FTP;
The Question Is to Transfer a file (size More Than 600byts) from a client to server and get responds from the server. vice versa. I code a program Than send file but t received only a part of file in the server side . It is need to divide the file into packets . please help me to do this .. My code is following ...
Code:
/*
************************************************************************************
FTP SERVER
************************************************************************************
*/
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<stdio.h>
#include<unistd.h>
#include<stdlib.h>
int main(){
int sd,fd;
int bufsize=1024; /* a 1K buffer */
char *buffer=(char *)malloc(bufsize);
//creating a TCP socket
sd=socket(AF_INET,SOCK_STREAM,0);
int csd,len,n;
if(sd==-1)
{
printf("\n******************************************************************************");
printf("Error in creating sockets");
printf("\n******************************************************************************");
exit(1);
}
struct sockaddr_in sadd;
//specify address domain
sadd.sin_family=AF_INET;
//set IP address
sadd.sin_addr.s_addr=htonl(INADDR_ANY);
//specify the port used for connection
sadd.sin_port=htons(8000);
//associate name with socket descriptor
int c=bind(sd,(struct sockaddr*)&sadd,sizeof(sadd));
if(c==-1)
{
printf("\n***********************************************************");
printf("Error in Binding\n");
printf("\n***********************************************************");
exit(1);
}
//publishing the socket
int l=listen(sd,5);
if(l==-1){
printf("\n***********************************************************");
printf("Error in listening");
printf("\n***********************************************************\n");
}
else{
printf("\n*******************************************************\n\n");
printf("Listening to Clients .....\n");
printf("\n*******************************************************\n\n");
}
len = sizeof(struct sockaddr_in);
while(1){
csd=accept(sd,(struct sockaddr*)&sadd,&len);
if(csd<0){
printf("Error in connecting to client %d",csd);
return(0);
}
printf("\n**************************************************************");
printf("\nConnected to client");
send(csd,"\nEnter a file name :",20,0);
recv(csd,buffer,bufsize,0);
printf("\n*******************************************************\n\n");
printf("\n\nReceived filename from client : n");
printf("\nThe Name Of the Received File is == > %s \n",buffer);
fd=open(buffer,0);
if(fd<0)
{
printf("Error in Opening File\n");
exit(1);
}
n=read(fd,buffer,50);
if(n<0){
printf("Error in reading\n");
exit(1);
}
printf("\n**************************************************************");
printf("\nSending file contents to Client ............\n");
printf("\n**************************************************************");
send(csd,buffer,bufsize,0);
close(fd);
close(csd);
}
return(0);
}
/*
************************************************************************************
FTP CLIENT
************************************************************************************
*/
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<netdb.h>
int main(){
int sd,fd,n;
int bufsize=1024; /* a 1K buffer */
char *buffer=(char *)malloc(bufsize);
char ch[20];
struct hostent *he;
//creating a TCP socket
sd=socket(AF_INET,SOCK_STREAM,0);
if(sd==-1)
{
printf("\n*******************************************************");
fd=creat("newfile",1);
printf("Error in creating sockets");
printf("\n*******************************************************");
}
else{
printf("\n*******************************************************\n\n");
printf("Socket created\n");
printf("\n*******************************************************\n\n");
}
if ((he = gethostbyname("localhost")) == NULL) {
printf("\n*******************************************************\n\n");
puts("error resolving hostname..");
printf("\n*******************************************************\n\n");
return(0);
}
struct sockaddr_in sadd;
//specify address domain
memcpy(&sadd.sin_addr, he->h_addr_list[0], he->h_length);
sadd.sin_family=AF_INET;
//specify the port used for connection
sadd.sin_port=htons(8000);
if(connect(sd,(struct sockaddr *)&sadd,sizeof(sadd)))
{
printf("\n*******************************************************\n\n");
printf("Error in connecting");
printf("\n*******************************************************\n\n");
exit(1);
}
printf("\n*******************************************************\n\n");
printf("Connected to Server .. Redy for Sending Files \n");
recv(sd,ch,20,0);
printf("%s\n",ch);
gets(buffer);
printf("\n*************************************************************");
fd=creat("Myfile.doc",1);
printf("\n\n Sending filename to Server ..........");
send(sd,buffer,bufsize,0);
recv(sd,buffer,bufsize,0);
printf("\n*******************************************************\n\n");
printf("\nReceived data from server........");
//printf("\n*************************************************************");
fd=creat("Myfile.doc",1);
if(fd<0)
{
printf("\n*****************************************************");
printf("Error in creating file");
printf("\n*****************************************************");
exit(1);
}
n=write(fd,buffer,100);
printf("\n\n\n**************** The Recieved File Is *****************\n\n");
puts(buffer);
printf("\n\n\n*******************************************************\n\n");
if(n<0)
{
printf("Error in writting to file\n");
exit(1);
}
close(fd);
return(0);
}
02-12-2009, 11:46 AM
Need Help To do FTP implimentation
need help
Linear Mode
