mbed-os/features/FEATURE_LWIP/lwip-interface/EthernetInterface.cpp

96 lines
2.4 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 "EthernetInterface.h"
#include "lwip_stack.h"
/* Interface implementation */
EthernetInterface::EthernetInterface()
: _dhcp(true), _ip_address(), _netmask(), _gateway()
{
}
nsapi_error_t EthernetInterface::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 EthernetInterface::set_dhcp(bool dhcp)
{
_dhcp = dhcp;
return NSAPI_ERROR_OK;
}
nsapi_error_t EthernetInterface::connect()
{
return mbed_lwip_bringup_2(_dhcp, false,
_ip_address[0] ? _ip_address : 0,
_netmask[0] ? _netmask : 0,
_gateway[0] ? _gateway : 0);
}
nsapi_error_t EthernetInterface::disconnect()
{
return mbed_lwip_bringdown_2(false);
}
const char *EthernetInterface::get_mac_address()
{
return mbed_lwip_get_mac_address();
}
const char *EthernetInterface::get_ip_address()
{
if (mbed_lwip_get_ip_address(_ip_address, sizeof _ip_address)) {
return _ip_address;
}
return NULL;
}
const char *EthernetInterface::get_netmask()
{
if (mbed_lwip_get_netmask(_netmask, sizeof _netmask)) {
return _netmask;
}
return 0;
}
const char *EthernetInterface::get_gateway()
{
if (mbed_lwip_get_gateway(_gateway, sizeof _gateway)) {
return _gateway;
}
return 0;
}
NetworkStack *EthernetInterface::get_stack()
{
return nsapi_create_stack(&lwip_stack);
}