Elaborato_SO/src/F4Client.c

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/stat.h>
#include <sys/msg.h>
#include <signal.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <string.h>
#include <unistd.h>

#include <custom_sem.h>
#include <structures.h>
#include <custom_shm.h>
#include <errExit.h>
#include <nonsodovemetterle.h>
#include <custom_msgq.h>
#include <forza4.h>

int game_state;

tile_t *boardClient = NULL;

void checkClientinput(int argc, char *argv[]);

void sigHandlerClient(int sig) {
    // Ctrl+C
    if (sig == SIGINT) {
        //TODO: abbandono

        sig = SIGTERM;
    }

    // Terminazione e chiusura terminale 
    if (sig == SIGTERM || sig == SIGHUP) {
        // shm
        if (boardClient) {
            printfClient("Detathing shm");
            if (shmdt(boardClient) == -1) {
                errExit("shmdt", "sigHandlerServer");
            }
        }
        exit(0);
    }

    // Fine partita
    if (sig == SIGUSR1) {
        game_end_t winner;
        rcvGame_end(&winner);
        game_state = winner.winner;
    }
}


//TODO: mettere main ma non l'ho fatto per makefile
int main(int argc, char *argv[]){

    checkClientinput(argc, argv);

    // SIGNAL
    printfClient("Setting up signal\n");
    sigset_t mySet;
    sigfillset(&mySet);
    sigdelset(&mySet, SIGINT);
    sigdelset(&mySet, SIGTERM);
    sigdelset(&mySet, SIGHUP);
    sigdelset(&mySet, SIGUSR1);
    sigprocmask(SIG_SETMASK, &mySet, NULL);

    if (signal(SIGINT, sigHandlerClient) == SIG_ERR) {
        errExit("signal SIGINT", "F4Client");
    }
    if (signal(SIGTERM, sigHandlerClient) == SIG_ERR) {
        errExit("signal SIGTERM", "F4Client");
    }
    if (signal(SIGHUP, sigHandlerClient) == SIG_ERR) {
        errExit("signal SIGHUP", "F4Client");
    }
    if (signal(SIGUSR1, sigHandlerClient) == SIG_ERR) {
        errExit("signal SIGUSR1", "F4Client");
    }
    //

    // MSGQ
    printfClient("Setting up msgq");
    key_t msgKey = ftok(KEYFILE, 'M');
    _MSGQID = msgget(msgKey, IPC_CREAT | S_IRUSR | S_IWUSR);
    if (_MSGQID == -1) {
        errExit("msgget", "F4Client");
    }

        // msg
        input_server_t input;
        msg_t msg;

        // msgrcv
        printfClient("Waiting for message...");
        rcvMsg(&msg);

        input = msg.server_in;
    //


    // SHM
    printfClient("Setting up shm");
    int shmBoardid = getShmid(input.rows, input.collums);
    boardClient = shmClientAt(shmBoardid);
    //

    // SEM
    printfClient("Setting up sem");
    key_t semKey = ftok(KEYFILE, 'S');
    int semid;
    if ((semid = semget(semKey, 3, S_IRUSR | S_IWUSR | IPC_CREAT)) == -1) {
        errExit("getsem", "F4Client");
    }
    //

    

    // aspetto che il server mi dia il permesso di collegarmi e segnalo collegamento al server
    semOp(semid, msg.player_id, -1);
    printfClient("Connecting to server...");
    semOp(semid, 2, 1);


    // mando i miei dati al server
    player_ds player = {.mtype = 3, .id = msg.player_id, .pid = getpid()};
    strcpy(player.name_player, argv[1]);
    sndPlayer(&player);

    printfClient("Searching for oponent...");

    semOp(semid, msg.player_id, -1);

    printfClient("Opponent found");



    // PARTITA
    move_t move = {.mtype = 2};

    while (1) { //FIXME: potenzialmente da cambiare questo while (ma forse bastano i segnali)
        // aspetto il mio turno
        semOp(semid, msg.player_id, -1);

        // input e controllo
        printfServer("Your Turn: ");
        do {
            scanf("%d", &move.move);
            move.move--;
            //FIXME: current_move = checkMove(move.move);
        } while(move.move < 0);

        // mando mossa al server
        sndMove(&move);
        printfClient("Waiting for oponent");    //FIXME: solo se la partita non è finita
    }

    return 0;
}

void checkClientinput(int argc, char *argv[]){
    if (argc < 2) {
        printf("\033[92m<Help>\033[39m ./F4Client PLAYER_NAME\n"
               "\t- PLAYER_NAME \t\tplayer name\n"
               );
        exit(EXIT_SUCCESS);
    } else if (argc > 2) {
        printfClient("To many arguments!");
        exit(EXIT_FAILURE);
    }

    if (!argv[1] || strlen(argv[1]) > MAX_NAME) {
        errExitMsg("Invalid player name");
    }
}