mbed-os/features/netsocket/EMACInterface.cpp

142 lines
3.4 KiB
C++

/* LWIP implementation of NetworkInterfaceAPI
* Copyright (c) 2015 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "EMACInterface.h"
/* Interface implementation */
EMACInterface::EMACInterface(EMAC &emac, OnboardNetworkStack &stack) :
_emac(emac),
_stack(stack),
_interface(NULL),
_dhcp(true),
_blocking(true),
_ip_address(),
_netmask(),
_gateway()
{
}
nsapi_error_t EMACInterface::set_network(const char *ip_address, const char *netmask, const char *gateway)
{
_dhcp = false;
strncpy(_ip_address, ip_address ? ip_address : "", sizeof(_ip_address));
_ip_address[sizeof(_ip_address) - 1] = '\0';
strncpy(_netmask, netmask ? netmask : "", sizeof(_netmask));
_netmask[sizeof(_netmask) - 1] = '\0';
strncpy(_gateway, gateway ? gateway : "", sizeof(_gateway));
_gateway[sizeof(_gateway) - 1] = '\0';
return NSAPI_ERROR_OK;
}
nsapi_error_t EMACInterface::set_dhcp(bool dhcp)
{
_dhcp = dhcp;
return NSAPI_ERROR_OK;
}
nsapi_error_t EMACInterface::connect()
{
if (!_interface) {
nsapi_error_t err = _stack.add_ethernet_interface(_emac, true, &_interface);
if (err != NSAPI_ERROR_OK) {
_interface = NULL;
return err;
}
_interface->attach(_connection_status_cb);
}
return _interface->bringup(_dhcp,
_ip_address[0] ? _ip_address : 0,
_netmask[0] ? _netmask : 0,
_gateway[0] ? _gateway : 0,
DEFAULT_STACK,
_blocking);
}
nsapi_error_t EMACInterface::disconnect()
{
if (_interface) {
return _interface->bringdown();
}
return NSAPI_ERROR_NO_CONNECTION;
}
const char *EMACInterface::get_mac_address()
{
if (_interface && _interface->get_mac_address(_mac_address, sizeof(_mac_address))) {
return _mac_address;
}
return NULL;
}
const char *EMACInterface::get_ip_address()
{
if (_interface && _interface->get_ip_address(_ip_address, sizeof(_ip_address))) {
return _ip_address;
}
return NULL;
}
const char *EMACInterface::get_netmask()
{
if (_interface && _interface->get_netmask(_netmask, sizeof(_netmask))) {
return _netmask;
}
return 0;
}
const char *EMACInterface::get_gateway()
{
if (_interface && _interface->get_gateway(_gateway, sizeof(_gateway))) {
return _gateway;
}
return 0;
}
NetworkStack *EMACInterface::get_stack()
{
return &_stack;
}
void EMACInterface::attach(
Callback<void(nsapi_event_t, intptr_t)> status_cb)
{
_connection_status_cb = status_cb;
if (_interface) {
_interface->attach(status_cb);
}
}
nsapi_connection_status_t EMACInterface::get_connection_status() const
{
if (_interface) {
return _interface->get_connection_status();
} else {
return NSAPI_STATUS_DISCONNECTED;
}
}
nsapi_error_t EMACInterface::set_blocking(bool blocking)
{
_blocking = blocking;
return NSAPI_ERROR_OK;
}