CS 3733 Operating Systems, Spring 2010 Assignment 6 Comments

Score on this assignment:
essentially complete: 3
Parts 1 and 2 mostly done: 8
Parts 1 and 2 not close: 14
Not handed in: 8

Outline of server loop:

• accept
• fork child to do the following
  • readline
  • readline
  • readline
  • int n = searchForTwoStrings(...);
  • write n to network (4 bytes)

Filter (no error checking)

int main() {
   uint32_t n;
   char *p = (char *)&n;
   read(STDIN_FILENO,&p,1);
   read(STDIN_FILENO,&p+1,1);
   read(STDIN_FILENO,&p+2,1);
   read(STDIN_FILENO,&p+3,1);
   n = ntohl(n);
   fprintf(stdout,"%d\n",(int)n);
   return 0;
}

   read(STDIN_FILENO,&n,4);