Exemple #1
0
int initialize_rtp_globals() {
    int i;
    int st;
    srand(time(0));
    /* Initialize globals */
    n_workers = 0;
    workers_hash = 0;
    sockfd = -1;

    main_pid = getpid();

    /* Intialize workers array */
    for (i = 0; i < MAX_RTP_WORKERS; ++i)
        workers[i]->used = 0;

    signal(SIGINT, rtp_server_stop);
    signal(SIGUSR1, rtp_worker_stop_eos);

    /* Initialize message queue */
    msg_queue = msgget(MSG_IDENTIFIER/*TODO: Don't hardcode this */, IPC_CREAT /*| IPC_EXCL */| 0700);
    if (msg_queue == -1)
        return(0);
    /* Initialize hash table */
    workers_hash = newhashtable(longhash, longequal, MAX_RTP_WORKERS * 2, 1);
    if (!workers_hash) {
        msgctl(msg_queue, IPC_RMID, 0);
        return(0);
    }

    /* Initialize hash table mutex */
    if (pthread_mutex_init(&workers_mutex, 0)) {
        msgctl(msg_queue, IPC_RMID, 0);
        clearhashtable(&workers_hash);
        freehashtable(&workers_hash);
        return(0);
    }
    if (pthread_mutex_init(&play_state_mutex, 0)) {
        pthread_mutex_destroy(&workers_mutex);
        msgctl(msg_queue, IPC_RMID, 0);
        clearhashtable(&workers_hash);
        freehashtable(&workers_hash);
        return(0);
    }


    /* Create thread that checks idle workers */
    st = pthread_create(&worker_comm, 0, worker_comm_fun, 0);
    if (st)
        kill(getpid(), SIGINT);


    return(1);
}
Exemple #2
0
void rtp_server_stop(int sig) {
    RTP_WORKER *worker;
    int i;

    /* Close socket */
    if (sockfd != -1) {
        fprintf(stderr, "\n\nRTP - Closing main socket ");
        close(sockfd);
        fprintf(stderr, "- closed\n");
    }
    /* Kill all workers */
    fprintf(stderr, "RTP - Starting killing workers ");
    pthread_mutex_lock(&workers_mutex);
    for (i = 0; i < MAX_RTP_WORKERS; ++i) {
        if (workers[i]->used) {
            workers[i]->used = 0;
            /* kill worker */
            kill(workers[i]->pid, SIGINT);
            waitpid(workers[i]->pid, 0, 0);
            worker = gethashtable(&workers_hash, &workers[i]->ssrc);
            if (worker) {
                delhashtable(&workers_hash, &workers[i]->ssrc);
            }
        }
        fprintf(stderr, ".");
    }
    pthread_mutex_unlock(&workers_mutex);
    fprintf(stderr, "- killed\n");

    /* Kill thread that checks idle workers */
    fprintf(stderr, "RTP - Killing threads ");
    pthread_cancel(worker_comm);
    pthread_join(worker_comm, 0);

    /* Free workers hash. */
    if (workers_hash) {
        fprintf(stderr, "RTP - Deleting workers hash ");
        clearhashtable(&workers_hash);
        freehashtable(&workers_hash);
        fprintf(stderr, "- deleted\n");
    }

    /* Destroy workers mutex */
    fprintf(stderr, "RTP - Destroying mutex ");
    pthread_mutex_destroy(&workers_mutex);
    pthread_mutex_destroy(&play_state_mutex);
    fprintf(stderr, "- destroyed\n");

    /* Free message queue */
    fprintf(stderr, "RTP - Destroying message queue ");
    msgctl(msg_queue, IPC_RMID, 0);
    fprintf(stderr, "destroyed\n");

    /* Die */
    fprintf(stderr, "RTP - Finished\n");
    exit(0);
}
Exemple #3
0
int main(int argc, char *argv[]) {
    Hashtable* ht = newStrHashTable();
    char buff[100];
    int i;
    char str[10] = "thisis0";
    char object[90] = "this is a shared object";
    size_t sizeobject = sizeof(char) * 90;

    for (i = 0; i < 18; i++) {
        str[6] = '0'+(i%10);
        strhh_insert(ht, str, (void**)&object, &sizeobject);
    }
    printf("All\n");
    printAll(ht);

    for (i = 0; i < 18; i++) {
        str[6] = '0'+(i%10);
        strhh_remove(ht, str, (void**)&object, &sizeobject); 
    }
    printf("none\n");
    printAll(ht);

    strhh_insert(ht, "Test", (void**)&object, &sizeobject);
    strhh_insert(ht, "TesT", (void**)&object, &sizeobject);
    strhh_insert(ht, "TeSt", (void**)&object, &sizeobject);
    strhh_insert(ht, "TEst", (void**)&object, &sizeobject);
    strhh_insert(ht, "test", (void**)&object, &sizeobject);

    assert(strhh_contains(ht, "Test", (void**)&object, &sizeobject));
    assert(strhh_contains(ht, "Test", (void**)&object, &sizeobject));
    assert(strhh_contains(ht, "TEst", (void**)&object, &sizeobject));
    assert(strhh_contains(ht, "TesT", (void**)&object, &sizeobject));
    assert(strhh_contains(ht, "TeSt", (void**)&object, &sizeobject));
    assert(!strhh_contains(ht, "TEST", (void**)&object, &sizeobject));
    assert(!strhh_contains(ht, "T778ST", (void**)&object, &sizeobject));
    printf("Test\n");
    printAll(ht);

    for (i = 0; i < 10000; i++) {
        gen_random(buff, 90);
        strhh_insert(ht, buff, (void**)&object, &sizeobject);
    }

    strhh_remove(ht, "|||blubla##", (void**)&object, &sizeobject);
    
    freehashtable(ht);
    freepool();
    return 0;
}