receive.c

   1 /* receive.c - receive from streaming server
   2  *
   3  * author: hackbard
   4  *
   5  */
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9
  10 /* memset */
  11 #include <string.h>
  12
  13 /* socket and bind stuff */
  14 #include <sys/types.h>
  15 #include <sys/socket.h>
  16
  17 /* sockkaddr_in */
  18 #include <netinet/in.h>
  19
  20 /* inet_ntoa ... */
  21 #include <arpa/inet.h>
  22
  23 /* errno stuff ... */
  24 #include <errno.h>
  25
  26 /* read, close */
  27 #include <unistd.h>
  28
  29 /* defines ... */
  30 #define MAX_SIZE 1000
  31
  32 int main(int argc, char *argv[]) {
  33   int receive_fd;
  34   struct sockaddr_in target_addr;
  35   int receive_bytes, write_bytes;
  36
  37   if(argc!=3) {
  38     printf("usage: %s <target-ip> <port>\n",argv[0]);
  39     exit(1);
  40   }
  41
  42   if((receive_fd=socket(AF_INET,SOCK_STREAM,0)) == -1) {
  43     printf("can't open socket.\n");
  44     exit(1);
  45   }
  46
  47   memset(&target_addr,0,sizeof(target_addr));
  48   target_addr.sin_family=AF_INET;
  49   target_addr.sin_port=htons(atoi(argv[2]));
  50   target_addr.sin_addr.s_addr=inet_addr(argv[1]);
  51
  52   if(connect(receive_fd,(struct sockaddr *)&target_addr,sizeof(target_addr))==-1) {
  53   printf("unable to connect.\n");
  54   perror("connect");
  55   exit(1);
  56   }
  57
  58   receive_bytes=1;
  59   while(receive_bytes>0) {
  60         unsigned char buf[MAX_SIZE];
  61         receive_bytes=recv(receive_fd,buf,sizeof(buf),0);
  62         write_bytes=write(1,buf,receive_bytes);
  63   }
  64
  65   close(receive_fd);
  66   printf("connection closed ...\n");
  67   printf("%d from %d total bytes written.\n",write_bytes,receive_bytes);
  68
  69   return 0;
  70 }