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client.c
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client.c
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <sys/ioctl.h>
void error(const char *msg)
{
perror(msg);
exit(0);
}
void gotoxy(int x,int y){
printf("%c[%d;%df",0x1B,y,x);
}
int main(int argc, char *argv[])
{
int sockfd, portno, n;
struct sockaddr_in serv_addr;
struct hostent *server;
int bytesReceived = 0;
char recvBuff[1024];
memset(recvBuff, '0', sizeof(recvBuff));
char buffer[256];
if (argc < 3) {
fprintf(stderr,"usage %s hostname port\n", argv[0]);
exit(0);
}
portno = atoi(argv[2]);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
error("ERROR opening socket");
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(portno);
char ip[50];
strcpy(ip,argv[1]);
printf("IP: %s\n", ip);
serv_addr.sin_addr.s_addr = inet_addr(ip);
if(connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr))<0){
printf("\n Error : Connect Failed \n");
return 1;
}
//printf("Connected to ip: %s : %d\n",inet_ntoa(serv_addr.sin_addr),ntohs(serv_addr.sin_port));
FILE *fp;
char fname[100];
while(1){
memset(fname, 0, 100);
read(sockfd, fname, 256);
strncpy(fname,fname+12,strlen(fname));
printf("File Name: %s\n",fname);
printf("Receiving file...");
fp = fopen(fname, "w");
if(NULL == fp){
printf("Connection ended");
return 1;
}
long double sz=1;
//Receive data in chunks of 256 bytes
while((bytesReceived = read(sockfd, recvBuff, 1024)) > 0 && strcmp(recvBuff,"END") != 0)
{
sz++;
gotoxy(0,4);
printf("Received: %llf Mb",(sz/1024));
fflush(stdout);
fwrite(recvBuff, 1,bytesReceived,fp);
}
if(bytesReceived < 0){
printf("\n Read Error \n");
}
printf("\nFile OK....Completed\n");
fclose(fp);
}
close(sockfd);
return 0;
}