(CLIENT) CLIENT-SERVER (Session 7)

//link soal : https://www.dropbox.com/s/mbcwtg81dvfa9gc/O1-T0316-RG01-07.pdf?dl=0

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

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

struct data{
    char phone_name[100];
    int quantity;
};

int main(){
    int flag=0;
    struct sembuf tes;
    int hId=shmget(123456, sizeof(struct data),IPC_CREAT|0666);
    int eId=semget(123456,1,IPC_CREAT|0666);
    struct data *hp=(struct data *)shmat(hId,NULL,0666);
    semctl(eId,0,SETVAL,0);
    do{
        do{
            flag=0;
            printf("Masukan Merek HP[Nokia|Samsung|Apple][\"exit\" to close the program]: ");
            scanf("%[^\n]",hp->phone_name);
            getchar();
            if(strcasecmp(hp->phone_name,"nokia")==0||strcasecmp(hp->phone_name,"samsung")==0||strcasecmp(hp->phone_name,"apple")==0)
                flag=1;
            else if(strcmp(hp->phone_name,"exit")==0)
                break;
        }while(flag==0);
        if(strcmp(hp->phone_name,"exit")!=0){
            do{
                flag=0;
                printf("Masukan Jumlah HP[1...8]: ");
                scanf("%d",&hp->quantity);
                getchar();
                if(hp->quantity>0&&hp->quantity<9)
                    flag=1;
            }while(flag==0);
        }
        tes.sem_num=0;
        tes.sem_op=1;
        tes.sem_flg=0;
        semop(eId,&tes,1);
        printf("press enter...");
        getchar();
    }while(strcmp(hp->phone_name,"exit")!=0);
    shmdt(&hp);
    shmctl(hId, IPC_RMID, 0);
    semctl(eId, 0, IPC_RMID);
    return 0;
}

// cd Desktop/UAP/AK
// gcc lat02_quiz2_client.c -o c2
// gcc lat02_quiz2_server.c -o s2