a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2016 Freie Universitรคt Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @{
*
* @file
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#include <errno.h>
#include <stddef.h>
#include <string.h>
#include "net/netdev_test.h"
static int _send(netdev_t *netdev, const struct iovec *vector, unsigned count);
static int _recv(netdev_t *netdev, void *buf, size_t len, void *info);
static int _init(netdev_t *dev);
static void _isr(netdev_t *dev);
static int _get(netdev_t *dev, netopt_t opt, void *value, size_t max_len);
static int _set(netdev_t *dev, netopt_t opt, const void *value, size_t value_len);
static const netdev_driver_t _driver = {
.send = _send,
.recv = _recv,
.init = _init,
.isr = _isr,
.get = _get,
.set = _set,
};
void netdev_test_setup(netdev_test_t *dev, void *state)
{
netdev_t *netdev = (netdev_t *)dev;
netdev->driver = &_driver;
dev->state = state;
mutex_init(&dev->mutex);
netdev_test_reset(dev);
}
void netdev_test_reset(netdev_test_t *dev)
{
mutex_lock(&dev->mutex);
dev->send_cb = NULL;
dev->recv_cb = NULL;
dev->init_cb = NULL;
dev->isr_cb = NULL;
memset(dev->get_cbs, 0, sizeof(dev->get_cbs));
memset(dev->set_cbs, 0, sizeof(dev->set_cbs));
mutex_unlock(&dev->mutex);
}
static int _send(netdev_t *netdev, const struct iovec *vector, unsigned count)
{
netdev_test_t *dev = (netdev_test_t *)netdev;
int res = (int)count; /* assume everything would be fine */
mutex_lock(&dev->mutex);
if (dev->send_cb != NULL) {
res = dev->send_cb(netdev, vector, count);
}
mutex_unlock(&dev->mutex);
return res;
}
static int _recv(netdev_t *netdev, void *buf, size_t len, void *info)
{
netdev_test_t *dev = (netdev_test_t *)netdev;
int res = (buf == NULL) ? 0 : len; /* assume everything would be fine */
mutex_lock(&dev->mutex);
if (dev->recv_cb != NULL) {
/* could fire context change and call _recv so we need to unlock */
mutex_unlock(&dev->mutex);
res = dev->recv_cb(netdev, buf, len, info);
}
else {
mutex_unlock(&dev->mutex);
}
return res;
}
static int _init(netdev_t *netdev)
{
netdev_test_t *dev = (netdev_test_t *)netdev;
int res = 0; /* assume everything would be fine */
mutex_lock(&dev->mutex);
if (dev->init_cb != NULL) {
res = dev->init_cb(netdev);
}
mutex_unlock(&dev->mutex);
return res;
}
static void _isr(netdev_t *netdev)
{
netdev_test_t *dev = (netdev_test_t *)netdev;
mutex_lock(&dev->mutex);
if (dev->isr_cb != NULL) {
mutex_unlock(&dev->mutex);
dev->isr_cb(netdev);
}
else {
mutex_unlock(&dev->mutex);
}
}
static int _get(netdev_t *netdev, netopt_t opt, void *value, size_t max_len)
{
netdev_test_t *dev = (netdev_test_t *)netdev;
int res = -ENOTSUP; /* option assumed to be not supported */
mutex_lock(&dev->mutex);
if (dev->get_cbs[opt] != NULL) {
res = dev->get_cbs[opt](netdev, value, max_len);
}
mutex_unlock(&dev->mutex);
return res;
}
static int _set(netdev_t *netdev, netopt_t opt, const void *value, size_t value_len)
{
netdev_test_t *dev = (netdev_test_t *)netdev;
int res = -ENOTSUP; /* option assumed to be not supported */
mutex_lock(&dev->mutex);
if (dev->set_cbs[opt] != NULL) {
res = dev->set_cbs[opt](netdev, value, value_len);
}
mutex_unlock(&dev->mutex);
return res;
}
/** @} */
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