(SERVER) CLIENT-SERVER (Session 9)

//Link Soal : https://www.dropbox.com/s/sse2lot7e6ohdl9/O1-T0316-RG01-09.pdf?dl=0

#include <stdio.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <sys/ipc.h>
#include <sys/types.h>

#include <stdlib.h>
#include <string.h>
#include <time.h>

struct data{
    char pilih[10];
};

int main(){
    int lawan=0;
    int skor=0;
    struct sembuf s;
    int h=shmget(123456,sizeof(struct data),IPC_CREAT|0666);
    int e=semget(123456,1,IPC_CREAT|0666);
    struct data *suit=(struct data*)shmat(h,NULL,0666);
    semctl(e,0,SETVAL,0);
    do{
        s.sem_num=0;
        s.sem_op=-1;
        s.sem_flg=0;
        semop(e,&s,1);
        srand(time(NULL));
        lawan=rand()%3;
        if(strcasecmp(suit->pilih,"exit")!=0){
            printf("You Choose : %s\n",suit->pilih);
            if(lawan==2)
                printf("Enemy Choose : Gunting\n");
            else if(lawan==1)
                printf("Enemy Choose : Batu\n");
            else if(lawan==0)
                printf("Enemy Choose : Kertas\n");
            if((lawan==2&&strcasecmp(suit->pilih,"Batu")==0)||(lawan==1&&strcasecmp(suit->pilih,"Kertas")==0)||(lawan==0&&strcasecmp(suit->pilih,"Gunting")==0)){
                printf("You Win\n");
                skor+=5;
            }
            else if((lawan==2&&strcasecmp(suit->pilih,"Gunting")==0)||(lawan==1&&strcasecmp(suit->pilih,"Batu")==0)||(lawan==0&&strcasecmp(suit->pilih,"Kertas")==0))
                printf("You Draw\n");
            else{
                printf("You Lose\n");
                skor-=3;
            }
            printf("Total Score is : %d\n",skor);
        }
        else
            break;
        printf("\n");
    }while(1);
    shmdt(&s);
    shmctl(h,IPC_RMID,0);
    semctl(e,0,IPC_RMID);
    return 0;
}