/*
 * A client for the web-like server.
 * Fully functional, but no error checking. 
 * 
 * Note: fd 1 is standard output
 */
#include <assert.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/wait.h>
#include <arpa/inet.h>

#include <sys/time.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>

int client (char *host, int port, char *filename);

int main (int argc, char *argv[])
{
  char *host, *filename;
  int port, r;

  assert (argc == 4);
  host = argv[1];
  port = atoi (argv[2]);
  filename = argv[3];

  r = client (host, port, filename);
  return r;
}

int client (char *host, int port, char *filename)
{
  int r, s;
  struct sockaddr_in sin;
  char buf[1024];

  /* Setup the socket */
  s = socket (AF_INET, SOCK_STREAM, 0);

  /* Make the connection */
  bzero (&sin, sizeof (sin));
  sin.sin_family = AF_INET;
  sin.sin_port = htons (port);
  inet_aton (host, &sin.sin_addr);

  connect (s, (struct sockaddr *) &sin, sizeof (sin));

  /* Write the filename */
  write (s, filename, strlen (filename));
  write (s, "\n", 1);

  /* Send the bytes that come back to stdout */
  while ((r = read (s, buf, sizeof (buf))) > 0)
    write (1, buf, r);

  /* Finish out */
  close (s);
  return 0;
}