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 int main(int argc, char *argv[]) {
  30   int receive_fd;
  31   struct sockaddr_in target_addr;
  32   int receive_bytes, write_bytes;
  33
  34   if(argc!=3) {
  35     printf("usage: %s <target-ip> <port>\n",argv[0]);
  36     exit(1);
  37   }
  38
  39   if((receive_fd=socket(AF_INET,SOCK_STREAM,0)) == -1) {
  40     printf("can't open socket.\n");
  41     exit(1);
  42   }
  43
  44   memset(&target_addr,0,sizeof(target_addr));
  45   target_addr.sin_family=AF_INET;
  46   target_addr.sin_port=htons(atoi(argv[2]));
  47   target_addr.sin_addr.s_addr=inet_addr(argv[1]);
  48
  49   if(connect(receive_fd,(struct sockaddr *)&target_addr,sizeof(target_addr))==-1) {
  50   printf("unable to connect.\n");
  51   perror("connect");
  52   exit(1);
  53   }
  54
  55   printf("connected.\n");
  56
  57   receive_bytes=1;
  58   while(receive_bytes>0) {
  59         unsigned char buf[1000];
  60         receive_bytes=recv(receive_fd,buf,sizeof(buf),0);
  61         write_bytes=write(1,buf,receive_bytes);
  62   }
  63
  64   close(receive_fd);
  65   printf("connection closed ...\n");
  66   printf("%d from %d total bytes written.\n",write_bytes,receive_bytes);
  67
  68   return 0;
  69 }