#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/wait.h>

pid_t fiu;
int pipeMesaj[2];
void handlerSIGUSR1(int semnal){
        printf("proces fiu a gasit cuvantul\n");
    exit(0); // oprim proces parinte
}
void handlerSIGALRM(){
  printf("proces fiu nu a gasit cuvantul\n");
  kill(fiu, SIGINT);
  exit(0);// oprim process parinte
}

void main(int argc, char * argv[]){
char buffer[500];
int fileIn, bytesRead;

pipe(pipeMesaj);

if(fiu = fork()){ //parinte
   signal(SIGALRM, handlerSIGALRM);
   signal(SIGUSR1, handlerSIGUSR1);
   alarm(5);
   fileIn = open(argv[1], O_RDONLY);
   close(pipeMesaj[0]);
  while( bytesRead = read(fileIn,  &buffer, sizeof(buffer)) != 0)
    write(pipeMesaj[1], &buffer, sizeof(buffer));
  wait(0);
  }
  else{ // fiu
       close(pipeMesaj[1]);
    while(read(pipeMesaj[0], &buffer, sizeof(buffer)) != 0){
        if(strstr(buffer, argv[2]) != NULL){
        kill((int)getppid(), SIGUSR1);
        exit(0);
        }


  }


}
}