client.c

#include <netdb.h>
#include <netinet/in.h>
#include <string.h>
#include <stdio.h>
 
 
int fileSEND(char *server, int PORT, char *lfile, char *rfile){
    int socketDESC;
    struct sockaddr_in serverADDRESS;
    struct hostent *hostINFO;
    FILE * file_to_send;
    int ch;
    char toSEND[1];
    char remoteFILE[4096];
    int count1=1,count2=1, percent;
 
 
    hostINFO = gethostbyname(server);
    if (hostINFO == NULL) {
        printf("Problem interpreting host\n");
        return 1;
    }
 
    socketDESC = socket(AF_INET, SOCK_STREAM, 0);
    if (socketDESC < 0) {
        printf("Cannot create socket\n");
        return 1;
    }
 
    serverADDRESS.sin_family = hostINFO->h_addrtype;
    memcpy((char *) &serverADDRESS.sin_addr.s_addr,hostINFO->h_addr_list[0], hostINFO->h_length);
    serverADDRESS.sin_port = htons(PORT);
                 
    if (connect(socketDESC, (struct sockaddr *) &serverADDRESS, sizeof(serverADDRESS)) < 0)
    {
        printf("Cannot connect\n");
        return 1;
    }
 
 
    file_to_send = fopen (lfile,"r");
    if(!file_to_send) 
    {
        printf("Error opening file\n");
        close(socketDESC);
        return 0;
    } 
    else 
    {
        long fileSIZE;
        fseek (file_to_send, 0, SEEK_END);
        fileSIZE =ftell (file_to_send);
        rewind(file_to_send);
     
        sprintf(remoteFILE,"FBEGIN:%s:%d\r\n", rfile, fileSIZE);
        send(socketDESC, remoteFILE, sizeof(remoteFILE), 0);
     
        percent = fileSIZE / 100;
        while((ch=getc(file_to_send))!=EOF)
        {
            toSEND[0] = ch;
            send(socketDESC, toSEND, 1, 0);
            if( count1 == count2 ) 
            {
                printf("Filename: %s\n", lfile);
                printf("Filesize: %d Kb\n", fileSIZE / 1024);
                printf("Percent : %d%% ( %d Kb)\n",count1 / percent ,count1 / 1024);
                count1+=percent;
            }
            count2++;
     
        }
    }
    fclose(file_to_send);
    close(socketDESC);
 
    return 0;
}
 
int main(int argc, char const *argv[])
{
     
    fileSEND("localhost", 31337, argv[1], argv[2]);
    return 0;
}