int main(int argc, char **argv) {

   int rc = SR_ERR_OK;
   sr_conn_ctx_t *conn = NULL;
   sr_session_ctx_t *sess = NULL;
   sr_val_t val =  {0};

   sr_log_stderr(SR_LL_DBG);

   rc = sr_connect("push kea config", SR_CONN_DEFAULT, &conn);
   CHECK_RC(rc, cleanup);

   rc = sr_session_start(conn, SR_DS_STARTUP, SR_SESS_DEFAULT, &sess);
   CHECK_RC(rc, cleanup);

   /* socket type */
   val.xpath = "/ietf-kea-dhcpv6:server/serv-attributes/control-socket/socket-type";
   val.type = SR_STRING_T;
   val.data.string_val = "unix";

   rc = sr_set_item(sess, val.xpath, &val, SR_EDIT_DEFAULT);
   CHECK_RC(rc, cleanup);

   /* socket name */
   val.xpath = "/ietf-kea-dhcpv6:server/serv-attributes/control-socket/socket-name";
   val.type = SR_STRING_T;
   val.data.string_val = "/tmp/kea-dhcp6-ctrl.sock";

   rc = sr_set_item(sess, val.xpath, &val, SR_EDIT_DEFAULT);
   CHECK_RC(rc, cleanup);

   rc = sr_commit(sess);


   /* retrieve field */
   sr_val_t* val2 = 0;

   rc = sr_get_item(sess, val.xpath, &val2);
   printf("Retrieved: [%s]\n", val.data.string_val);

   sr_free_val(val2);

   CHECK_RC(rc, cleanup);

cleanup:
   sr_session_stop(sess);
   sr_disconnect(conn);
}
Beispiel #2
0
void Session::set_item(const char *xpath, S_Val value, const sr_edit_options_t opts)
{
    sr_val_t *val = value ? value->_val : nullptr;

    int ret = sr_set_item(_sess, xpath, val, opts);
    if (ret != SR_ERR_OK) {
        throw_exception(ret);
    }
}
static void
cl_notif_priority_test(void **state)
{
    sr_conn_ctx_t *conn = *state;
    assert_non_null(conn);
    sr_session_ctx_t *session = NULL;
    sr_subscription_ctx_t *subscription = NULL;
    priority_t priority = {0};
    int rc = SR_ERR_OK;

    /* start session */
    rc = sr_session_start(conn, SR_DS_RUNNING, SR_SESS_DEFAULT, &session);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_module_change_subscribe(session, "test-module", priority_zero_cb, &priority,
            0, SR_SUBSCR_DEFAULT, &subscription);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_module_change_subscribe(session, "test-module", priority_two_cb, &priority,
            2, SR_SUBSCR_DEFAULT | SR_SUBSCR_CTX_REUSE, &subscription);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_module_change_subscribe(session, "test-module", priority_one_cb, &priority,
            1, SR_SUBSCR_DEFAULT | SR_SUBSCR_CTX_REUSE, &subscription);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_set_item(session, "/test-module:user[name='userA']", NULL, SR_EDIT_DEFAULT);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_commit(session);
    assert_int_equal(rc, SR_ERR_OK);


    /* timeout 10 sec */
    for (size_t i = 0; i < 1000; i++) {
        if (priority.count >= 3) break;
        usleep(10000); /* 10 ms */
    }

    assert_int_equal(priority.count, 3);
    assert_int_equal(2, priority.cb [0]);
    assert_int_equal(1, priority.cb [1]);
    assert_int_equal(0, priority.cb [2]);

    /* check that cb were called in correct order according to the priority */
    sr_unsubscribe(session, subscription);
    sr_session_stop(session);
}
Beispiel #4
0
/**
 * @brief Convert data tree difference of type LYD_DIFF_CHANGED to corresponding set of Sysrepo public API calls.
 */
static int
srcfg_convert_lydiff_changed(const char *xpath, struct lyd_node *node)
{
    int rc = SR_ERR_INTERNAL;
    sr_val_t value = { 0, SR_UNKNOWN_T };
    struct lyd_node_leaf_list *data_leaf = NULL;

    CHECK_NULL_ARG2(xpath, node);

    switch (node->schema->nodetype) {
        case LYS_LEAF:
        case LYS_LEAFLIST:
            data_leaf = (struct lyd_node_leaf_list *) node;
            value.type = sr_libyang_leaf_get_type(data_leaf);
            rc = sr_libyang_leaf_copy_value(data_leaf, &value);
            if (SR_ERR_OK != rc) {
                SR_LOG_ERR("Error returned from sr_libyang_leaf_copy_value: %s.", sr_strerror(rc));
                goto cleanup;
            }
            break;
        case LYS_ANYXML:
            SR_LOG_ERR_MSG("The anyxml statement is not yet supported by Sysrepo.");
            goto cleanup;
        default:
            SR_LOG_ERR_MSG("Unexpected node type for LYD_DIFF_CHANGED.");
            goto cleanup;
    }
    rc = sr_set_item(srcfg_session, xpath, &value, SR_EDIT_NON_RECURSIVE);
    if (SR_ERR_OK != rc) {
        SR_LOG_ERR("Error returned from sr_set_item: %s.", sr_strerror(rc));
    }

cleanup:
    sr_free_val_content(&value);
    return rc;
}
Beispiel #5
0
static void
cl_fd_poll_test(void **state)
{
    sr_conn_ctx_t *conn = *state;
    assert_non_null(conn);
    sr_session_ctx_t *session = NULL;
    sr_subscription_ctx_t *subscription = NULL;

    sr_fd_change_t *fd_change_set = NULL;
    size_t fd_change_set_cnt = 0;
    int init_fd = 0;
    int ret = 0, rc = SR_ERR_OK;
    bool callback_called = false;

    /* init app-local watcher */
    rc = sr_fd_watcher_init(&init_fd);
    assert_int_equal(rc, SR_ERR_OK);

    poll_fd_set[0].fd = init_fd;
    poll_fd_set[0].events = POLLIN;
    poll_fd_cnt = 1;

    /* start session */
    rc = sr_session_start(conn, SR_DS_CANDIDATE, SR_SESS_DEFAULT, &session);
    assert_int_equal(rc, SR_ERR_OK);

    /* subscribe for changes */
    rc = sr_module_change_subscribe(session, "example-module", module_change_cb, &callback_called, 0,
            SR_SUBSCR_DEFAULT | SR_SUBSCR_APPLY_ONLY, &subscription);
    assert_int_equal(rc, SR_ERR_OK);

    /* create the list instance */
    rc = sr_set_item(session, "/example-module:container/list[key1='123'][key2='456']", NULL, SR_EDIT_DEFAULT);
    assert_int_equal(rc, SR_ERR_OK);

    /* commit changes */
    rc = sr_commit(session);
    assert_int_equal(rc, SR_ERR_OK);

    do {
        ret = poll(poll_fd_set, poll_fd_cnt, -1);
        assert_int_not_equal(ret, -1);

        for (size_t i = 0; i < poll_fd_cnt; i++) {
            assert_false((poll_fd_set[i].revents & POLLERR) || (poll_fd_set[i].revents & POLLHUP) || (poll_fd_set[i].revents & POLLNVAL));

            if (poll_fd_set[i].revents & POLLIN) {
                rc = sr_fd_event_process(poll_fd_set[i].fd, SR_FD_INPUT_READY, &fd_change_set, &fd_change_set_cnt);
                assert_int_equal(rc, SR_ERR_OK);
                cl_fd_change_set_process(fd_change_set, fd_change_set_cnt);
                free(fd_change_set);
                fd_change_set = NULL;
                fd_change_set_cnt = 0;
            }
            if (poll_fd_set[i].revents & POLLOUT) {
                rc = sr_fd_event_process(poll_fd_set[i].fd, SR_FD_OUTPUT_READY, &fd_change_set, &fd_change_set_cnt);
                assert_int_equal(rc, SR_ERR_OK);
                cl_fd_change_set_process(fd_change_set, fd_change_set_cnt);
                free(fd_change_set);
                fd_change_set = NULL;
                fd_change_set_cnt = 0;
            }
        }
    } while ((SR_ERR_OK == rc) && !callback_called);

    /* unsubscribe after callback has been called */
    rc = sr_unsubscribe(session, subscription);
    assert_int_equal(rc, SR_ERR_OK);
    callback_called = false;

    /* stop the session */
    rc = sr_session_stop(session);
    assert_int_equal(rc, SR_ERR_OK);

    /* cleanup app-local watcher */
    sr_fd_watcher_cleanup();
}
Beispiel #6
0
/**
 * @brief Convert data tree difference of type LYD_DIFF_CREATED to corresponding set of Sysrepo public API calls.
 */
static int
srcfg_convert_lydiff_created(struct lyd_node *node)
{
    int rc = SR_ERR_INTERNAL;
    struct lyd_node *elem = node;
    bool process_children = true;
    sr_val_t value = { 0, SR_UNKNOWN_T };
    struct lyd_node_leaf_list *data_leaf = NULL;
    struct lys_node_list *slist = NULL;
    char *xpath = NULL, *delim = NULL;

    CHECK_NULL_ARG(node);

    /* non-recursive DFS post-order */
    do {
        /* go as deep as possible */
        if (process_children) {
            while (!(elem->schema->nodetype & (LYS_LEAF | LYS_LEAFLIST | LYS_ANYXML)) && elem->child) {
                elem = elem->child;
            }
        }

        /* get appropriate xpath and value */
        free(xpath);
        xpath = value.xpath = NULL;
        value.type = SR_UNKNOWN_T;
        switch (elem->schema->nodetype) {
            case LYS_LEAF: /* e.g.: /test-module:user[name='nameE']/name */
                /* get value */
                data_leaf = (struct lyd_node_leaf_list *)elem;
                value.type = sr_libyang_leaf_get_type(data_leaf);
                rc = sr_libyang_leaf_copy_value(data_leaf, &value);
                if (SR_ERR_OK != rc) {
                    SR_LOG_ERR("Error returned from sr_libyang_leaf_copy_value: %s.", sr_strerror(rc));
                    goto cleanup;
                }
                /* get xpath */
                xpath = lyd_path(elem);
                if (NULL == xpath) {
                    SR_LOG_ERR("Error returned from lyd_path: %s.", ly_errmsg());
                    goto cleanup;
                }
                /* key value of a list cannot be set directly */
                if (elem->parent && (elem->parent->schema->nodetype == LYS_LIST)) {
                    slist = (struct lys_node_list *)elem->parent->schema;
                    for (unsigned i = 0; i < slist->keys_size; ++i) {
                        if (slist->keys[i]->name == elem->schema->name) {
                            /* key */
                            if (i == 0) {
                                delim = strrchr(xpath, '/');
                                if (delim) {
                                    *delim = '\0';
                                }
                                goto set_value;
                            } else {
                                /* create list instance (directly) only once - with the first key */
                                goto next_node;
                            }
                        }
                    }
                }
                break;

            case LYS_LEAFLIST: /* e.g.: /test-module:main/numbers[.='10'] */
                /* get value */
                data_leaf = (struct lyd_node_leaf_list *)elem;
                value.type = sr_libyang_leaf_get_type(data_leaf);
                rc = sr_libyang_leaf_copy_value(data_leaf, &value);
                if (SR_ERR_OK != rc) {
                    SR_LOG_ERR("Error returned from sr_libyang_leaf_copy_value: %s.", sr_strerror(rc));
                    goto cleanup;
                }
                /* get xpath */
                xpath = lyd_path(elem);
                if (NULL == xpath) {
                    SR_LOG_ERR("Error returned from lyd_path: %s.", ly_errmsg());
                    goto cleanup;
                }
                /* strip away the predicate */
                delim = strrchr(xpath, '[');
                if (delim) {
                    *delim = '\0';
                }
                break;

            case LYS_ANYXML:
                SR_LOG_ERR_MSG("The anyxml statement is not yet supported by Sysrepo.");
                goto cleanup;

            case LYS_CONTAINER:
                /* explicitly create only presence containers */
                if (((struct lys_node_container *)elem->schema)->presence) {
                    xpath = lyd_path(elem);
                } else {
                    goto next_node;
                }
                break;

            default:
                /* no data to set */
                goto next_node;
        }

set_value:
        /* set value */
        rc = sr_set_item(srcfg_session, xpath, SR_UNKNOWN_T != value.type ? &value : NULL, SR_EDIT_DEFAULT);
        if (SR_ERR_OK != rc) {
            SR_LOG_ERR("Error returned from sr_set_item: %s.", sr_strerror(rc));
            goto cleanup;
        }

next_node:
        /* backtracking + automatically moving to the next sibling if there is any */
        if (elem != node) {
            if (elem->next) {
                elem = elem->next;
                process_children = true;
            } else {
                assert(elem->parent);
                elem = elem->parent;
                process_children = false;
            }
        } else {
            break;
        }
    } while (true);

    rc = SR_ERR_OK;

cleanup:
    if (NULL != xpath) {
        free(xpath);
    }
    sr_free_val_content(&value);
    return rc;
}
static void
cl_invalid_xpath_test(void **state)
{
    sr_conn_ctx_t *conn = *state;
    assert_non_null(conn);
    sr_session_ctx_t *session = NULL;
    sr_subscription_ctx_t *subscription = NULL;
    changes_t changes = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cv = PTHREAD_COND_INITIALIZER, 0};
    struct timespec ts;
    int rc = SR_ERR_OK;

    /* start session */
    rc = sr_session_start(conn, SR_DS_RUNNING, SR_SESS_DEFAULT, &session);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_module_change_subscribe(session, "test-module", cl_invalid_change_xpath_cb, &changes,
            0, SR_SUBSCR_DEFAULT, &subscription);
    assert_int_equal(rc, SR_ERR_OK);

    sr_val_t v = {0};
    v.type = SR_UINT8_T;
    v.data.uint8_val = 19;

    rc = sr_set_item(session, "/test-module:main/ui8", &v, SR_EDIT_DEFAULT);
    assert_int_equal(rc, SR_ERR_OK);

    pthread_mutex_lock(&changes.mutex);
    rc = sr_commit(session);
    assert_int_equal(rc, SR_ERR_OK);

    sr_clock_get_time(CLOCK_REALTIME, &ts);
    ts.tv_sec += COND_WAIT_SEC;
    pthread_cond_timedwait(&changes.cv, &changes.mutex, &ts);

    pthread_mutex_unlock(&changes.mutex);

    /* check that cb were called in correct order according to the priority */
    sr_unsubscribe(session, subscription);
    sr_session_stop(session);
}

int subtree_example_change_cb(sr_session_ctx_t *session, const char *xpath,
        sr_notif_event_t event, void *private_ctx) {
        changes_t *ch = (changes_t *) private_ctx;
    sr_change_iter_t *it = NULL;
    int rc = SR_ERR_OK;

    pthread_mutex_lock(&ch->mutex);

    rc = sr_get_changes_iter(session, "/example-module:*" , &it);
    puts("Iteration over changes started");
    if (SR_ERR_OK != rc) {
        puts("sr get changes iter failed");
        goto cleanup;
    }
    ch->cnt = 0;
    while (ch->cnt < MAX_CHANGE) {
        rc = sr_get_change_next(session, it,
                &ch->oper[ch->cnt],
                &ch->old_values[ch->cnt],
                &ch->new_values[ch->cnt]);
        if (SR_ERR_OK != rc) {
            break;
        }
        ch->cnt++;
    }

cleanup:
    sr_free_change_iter(it);
    pthread_cond_signal(&ch->cv);
    pthread_mutex_unlock(&ch->mutex);
    return SR_ERR_OK;
}
static void
cl_whole_module_changes(void **state)
{
    sr_conn_ctx_t *conn = *state;
    assert_non_null(conn);
    sr_session_ctx_t *session = NULL;
    sr_subscription_ctx_t *subscription = NULL;
    changes_t changes = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cv = PTHREAD_COND_INITIALIZER, 0};
    struct timespec ts;
    int rc = SR_ERR_OK;

    /* start session */
    rc = sr_session_start(conn, SR_DS_RUNNING, SR_SESS_DEFAULT, &session);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_module_change_subscribe(session, "test-module", cl_whole_module_cb, &changes,
            0, SR_SUBSCR_DEFAULT, &subscription);
    assert_int_equal(rc, SR_ERR_OK);


    sr_val_t v = {0};
    v.type = SR_UINT8_T;
    v.data.uint8_val = 19;

    rc = sr_set_item(session, "/test-module:main/ui8", &v, SR_EDIT_DEFAULT);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_set_item(session, "/test-module:user[name='userA']", NULL, SR_EDIT_DEFAULT);
    assert_int_equal(rc, SR_ERR_OK);

    pthread_mutex_lock(&changes.mutex);
    rc = sr_commit(session);
    assert_int_equal(rc, SR_ERR_OK);

    sr_clock_get_time(CLOCK_REALTIME, &ts);
    ts.tv_sec += COND_WAIT_SEC;
    pthread_cond_timedwait(&changes.cv, &changes.mutex, &ts);

    for (int i= 0; i < changes.cnt; i++) {
        if (NULL != changes.new_values[i]) {
            puts(changes.new_values[i]->xpath);
        }
    }
    assert_int_equal(changes.cnt, 4);

    assert_int_equal(changes.oper[0], SR_OP_MODIFIED);
    assert_non_null(changes.new_values[0]);
    assert_non_null(changes.old_values[0]);
    assert_string_equal("/test-module:main/ui8", changes.new_values[0]->xpath);

    assert_int_equal(changes.oper[1], SR_OP_CREATED);
    assert_non_null(changes.new_values[1]);
    assert_null(changes.old_values[1]);
    assert_string_equal("/test-module:user[name='userA']", changes.new_values[1]->xpath);

    assert_int_equal(changes.oper[2], SR_OP_CREATED);
    assert_non_null(changes.new_values[2]);
    assert_null(changes.old_values[2]);
    assert_string_equal("/test-module:user[name='userA']/name", changes.new_values[2]->xpath);

    assert_int_equal(changes.oper[3], SR_OP_MOVED);
    assert_non_null(changes.new_values[3]);
    assert_null(changes.old_values[3]);
    assert_string_equal("/test-module:user[name='userA']", changes.new_values[3]->xpath);

    for (size_t i = 0; i < changes.cnt; i++) {
        sr_free_val(changes.new_values[i]);
        sr_free_val(changes.old_values[i]);
    }
    pthread_mutex_unlock(&changes.mutex);

    /* check that cb were called in correct order according to the priority */
    sr_unsubscribe(session, subscription);
    sr_session_stop(session);
}

int
cl_invalid_change_xpath_cb(sr_session_ctx_t *session, const char *module_name, sr_notif_event_t ev, void *private_ctx)
{
    changes_t *ch = (changes_t *) private_ctx;
    sr_change_iter_t *it = NULL;
    int rc = SR_ERR_OK;

    pthread_mutex_lock(&ch->mutex);
    char change_path[50] = {0,};
    snprintf(change_path, 50, "/---ERR%s:*", module_name);

    rc = sr_get_changes_iter(session, change_path, &it);
    assert_int_not_equal(SR_ERR_OK, rc);

    snprintf(change_path, 50, "/%s:abcdefgh", module_name);
    rc = sr_get_changes_iter(session, change_path, &it);
    assert_int_not_equal(SR_ERR_OK, rc);

    pthread_cond_signal(&ch->cv);
    pthread_mutex_unlock(&ch->mutex);
    return SR_ERR_OK;
}
static void
cl_get_changes_create_test(void **state)
{
    sr_conn_ctx_t *conn = *state;
    assert_non_null(conn);
    sr_session_ctx_t *session = NULL;
    sr_subscription_ctx_t *subscription = NULL;
    changes_t changes = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cv = PTHREAD_COND_INITIALIZER, 0};
    struct timespec ts;

    sr_val_t *val = NULL;
    const char *xpath = NULL;
    int rc = SR_ERR_OK;
    xpath = "/example-module:container/list[key1='abc'][key2='def']";

    /* start session */
    rc = sr_session_start(conn, SR_DS_CANDIDATE, SR_SESS_DEFAULT, &session);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_module_change_subscribe(session, "example-module", list_changes_cb, &changes,
            0, SR_SUBSCR_DEFAULT, &subscription);
    assert_int_equal(rc, SR_ERR_OK);

    /* check the list presence in candidate */
    rc = sr_get_item(session, xpath, &val);
    assert_int_equal(rc, SR_ERR_NOT_FOUND);


    /* create the list instance */
    rc = sr_set_item(session, xpath, NULL, SR_EDIT_DEFAULT);
    assert_int_equal(rc, SR_ERR_OK);

    /* save changes to running */
    pthread_mutex_lock(&changes.mutex);
    rc = sr_commit(session);
    assert_int_equal(rc, SR_ERR_OK);

    sr_clock_get_time(CLOCK_REALTIME, &ts);
    ts.tv_sec += COND_WAIT_SEC;
    pthread_cond_timedwait(&changes.cv, &changes.mutex, &ts);

    assert_int_equal(changes.cnt, 3);
    assert_int_equal(changes.oper[0], SR_OP_CREATED);
    assert_non_null(changes.new_values[0]);
    assert_null(changes.old_values[0]);
    assert_string_equal(xpath, changes.new_values[0]->xpath);

    assert_int_equal(changes.oper[1], SR_OP_CREATED);
    assert_non_null(changes.new_values[1]);
    assert_null(changes.old_values[1]);
    assert_string_equal("/example-module:container/list[key1='abc'][key2='def']/key1", changes.new_values[1]->xpath);

    assert_int_equal(changes.oper[2], SR_OP_CREATED);
    assert_non_null(changes.new_values[2]);
    assert_null(changes.old_values[2]);
    assert_string_equal("/example-module:container/list[key1='abc'][key2='def']/key2", changes.new_values[2]->xpath);


    for (size_t i = 0; i < changes.cnt; i++) {
        sr_free_val(changes.new_values[i]);
        sr_free_val(changes.old_values[i]);
    }

    pthread_mutex_unlock(&changes.mutex);

    rc = sr_unsubscribe(NULL, subscription);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_session_stop(session);
    assert_int_equal(rc, SR_ERR_OK);
}

static void
cl_get_changes_modified_test(void **state)
{
    sr_conn_ctx_t *conn = *state;
    assert_non_null(conn);
    sr_session_ctx_t *session = NULL;
    sr_subscription_ctx_t *subscription = NULL;
    changes_t changes = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cv = PTHREAD_COND_INITIALIZER, 0};
    struct timespec ts;

    sr_val_t *val = NULL;
    const char *xpath = NULL;
    int rc = SR_ERR_OK;
    xpath = "/example-module:container/list[key1='key1'][key2='key2']/leaf";

    /* start session */
    rc = sr_session_start(conn, SR_DS_CANDIDATE, SR_SESS_DEFAULT, &session);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_module_change_subscribe(session, "example-module", list_changes_cb, &changes,
            0, SR_SUBSCR_DEFAULT, &subscription);
    assert_int_equal(rc, SR_ERR_OK);

    /* check the list presence in candidate */
    rc = sr_get_item(session, xpath, &val);
    assert_int_equal(rc, SR_ERR_OK);

    sr_val_t new_val = {0};
    new_val.type = SR_STRING_T;
    new_val.data.string_val = "abcdef";

    /* create the list instance */
    rc = sr_set_item(session, xpath, &new_val, SR_EDIT_DEFAULT);
    assert_int_equal(rc, SR_ERR_OK);

    /* save changes to running */
    pthread_mutex_lock(&changes.mutex);
    rc = sr_commit(session);
    assert_int_equal(rc, SR_ERR_OK);

    sr_clock_get_time(CLOCK_REALTIME, &ts);
    ts.tv_sec += COND_WAIT_SEC;
    pthread_cond_timedwait(&changes.cv, &changes.mutex, &ts);

    assert_int_equal(changes.cnt, 1);
    assert_int_equal(changes.oper[0], SR_OP_MODIFIED);
    assert_non_null(changes.new_values[0]);
    assert_non_null(changes.old_values[0]);
    assert_string_equal(val->data.string_val, changes.old_values[0]->data.string_val);
    assert_string_equal(new_val.data.string_val, changes.new_values[0]->data.string_val);

    for (size_t i = 0; i < changes.cnt; i++) {
        sr_free_val(changes.new_values[i]);
        sr_free_val(changes.old_values[i]);
    }

    sr_free_val(val);
    pthread_mutex_unlock(&changes.mutex);

    rc = sr_unsubscribe(NULL, subscription);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_session_stop(session);
    assert_int_equal(rc, SR_ERR_OK);
}

static void
cl_get_changes_deleted_test(void **state)
{
    sr_conn_ctx_t *conn = *state;
    assert_non_null(conn);
    sr_session_ctx_t *session = NULL;
    sr_subscription_ctx_t *subscription = NULL;
    changes_t changes = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cv = PTHREAD_COND_INITIALIZER, 0};
    struct timespec ts;

    sr_val_t *val = NULL;
    const char *xpath = NULL;
    int rc = SR_ERR_OK;
    xpath = "/example-module:container";

    /* start session */
    rc = sr_session_start(conn, SR_DS_CANDIDATE, SR_SESS_DEFAULT, &session);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_module_change_subscribe(session, "example-module", list_changes_cb, &changes,
            0, SR_SUBSCR_DEFAULT, &subscription);
    assert_int_equal(rc, SR_ERR_OK);

    /* check the list presence in candidate */
    rc = sr_get_item(session, xpath, &val);
    assert_int_equal(rc, SR_ERR_OK);
    sr_free_val(val);

    /* delete container */
    rc = sr_delete_item(session, xpath, SR_EDIT_DEFAULT);
    assert_int_equal(rc, SR_ERR_OK);

    /* save changes to running */
    pthread_mutex_lock(&changes.mutex);
    rc = sr_commit(session);
    assert_int_equal(rc, SR_ERR_OK);

    sr_clock_get_time(CLOCK_REALTIME, &ts);
    ts.tv_sec += COND_WAIT_SEC;
    pthread_cond_timedwait(&changes.cv, &changes.mutex, &ts);

    assert_int_equal(changes.cnt, 5);
    assert_int_equal(changes.oper[0], SR_OP_DELETED);
    assert_null(changes.new_values[0]);
    assert_non_null(changes.old_values[0]);
    assert_string_equal(xpath, changes.old_values[0]->xpath);

    assert_int_equal(changes.oper[1], SR_OP_DELETED);
    assert_null(changes.new_values[1]);
    assert_non_null(changes.old_values[1]);
    assert_string_equal("/example-module:container/list[key1='key1'][key2='key2']", changes.old_values[1]->xpath);

    assert_int_equal(changes.oper[2], SR_OP_DELETED);
    assert_null(changes.new_values[2]);
    assert_non_null(changes.old_values[2]);
    assert_string_equal("/example-module:container/list[key1='key1'][key2='key2']/key1", changes.old_values[2]->xpath);

    assert_int_equal(changes.oper[3], SR_OP_DELETED);
    assert_null(changes.new_values[3]);
    assert_non_null(changes.old_values[3]);
    assert_string_equal("/example-module:container/list[key1='key1'][key2='key2']/key2", changes.old_values[3]->xpath);

    assert_int_equal(changes.oper[4], SR_OP_DELETED);
    assert_null(changes.new_values[4]);
    assert_non_null(changes.old_values[4]);
    assert_string_equal("/example-module:container/list[key1='key1'][key2='key2']/leaf", changes.old_values[4]->xpath);

    for (size_t i = 0; i < changes.cnt; i++) {
        sr_free_val(changes.new_values[i]);
        sr_free_val(changes.old_values[i]);
    }
    pthread_mutex_unlock(&changes.mutex);

    rc = sr_unsubscribe(NULL, subscription);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_session_stop(session);
    assert_int_equal(rc, SR_ERR_OK);
}

static void
cl_get_changes_moved_test(void **state)
{
    sr_conn_ctx_t *conn = *state;
    assert_non_null(conn);
    sr_session_ctx_t *session = NULL;
    sr_subscription_ctx_t *subscription = NULL;
    changes_t changes = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cv = PTHREAD_COND_INITIALIZER, 0};
    struct timespec ts;

    const char *xpath = NULL;
    int rc = SR_ERR_OK;
    xpath = "/test-module:ordered-numbers";

    /* start session */
    rc = sr_session_start(conn, SR_DS_STARTUP, SR_SESS_DEFAULT, &session);
    assert_int_equal(rc, SR_ERR_OK);

    sr_val_t v = {0};
    v.type = SR_UINT8_T;
    v.data.uint8_val = 1;
    /* create user ordered leaf-list instance */
    rc = sr_set_item(session, xpath, &v, SR_EDIT_STRICT);
    assert_int_equal(rc, SR_ERR_OK);

    v.data.uint8_val = 2;
    rc = sr_set_item(session, xpath, &v, SR_EDIT_STRICT);
    assert_int_equal(rc, SR_ERR_OK);

    v.data.uint8_val = 3;
    rc = sr_set_item(session, xpath, &v, SR_EDIT_STRICT);
    assert_int_equal(rc, SR_ERR_OK);

    /* save changes to running */
    rc = sr_commit(session);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_session_switch_ds(session, SR_DS_CANDIDATE);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_module_change_subscribe(session, "test-module", list_changes_cb, &changes,
            0, SR_SUBSCR_DEFAULT, &subscription);
    assert_int_equal(rc, SR_ERR_OK);

    /* move leaf-list */
    rc = sr_move_item(session, "/test-module:ordered-numbers[.='3']", SR_MOVE_AFTER, "/test-module:ordered-numbers[.='1']");
    assert_int_equal(rc, SR_ERR_OK);

    /* save changes to running */
    pthread_mutex_lock(&changes.mutex);
    rc = sr_commit(session);
    assert_int_equal(rc, SR_ERR_OK);

    sr_clock_get_time(CLOCK_REALTIME, &ts);
    ts.tv_sec += COND_WAIT_SEC;
    pthread_cond_timedwait(&changes.cv, &changes.mutex, &ts);

    assert_int_equal(changes.cnt, 1);
    assert_int_equal(changes.oper[0], SR_OP_MOVED);
    assert_non_null(changes.new_values[0]);
    assert_non_null(changes.old_values[0]);
    assert_string_equal(xpath, changes.old_values[0]->xpath);
    assert_int_equal(changes.new_values[0]->data.uint8_val, 2);
    assert_int_equal(changes.old_values[0]->data.uint8_val, 3);

    for (size_t i = 0; i < changes.cnt; i++) {
        sr_free_val(changes.new_values[i]);
        sr_free_val(changes.old_values[i]);
    }
    pthread_mutex_unlock(&changes.mutex);

    rc = sr_unsubscribe(NULL, subscription);
    assert_int_equal(rc, SR_ERR_OK);

    rc = sr_session_stop(session);
    assert_int_equal(rc, SR_ERR_OK);

}

typedef struct priority_s {
    int count;
    int cb[3];
}priority_t;

static int
priority_zero_cb(sr_session_ctx_t *session, const char *module_name, sr_notif_event_t ev, void *private_ctx)
{
    priority_t *pr = (priority_t *) private_ctx;
    pr->cb[pr->count] = 0;
    pr->count++;

    return SR_ERR_OK;
}