File content as of revision 6:7437289cb2e9:

/* NetworkInterface Base Class
 * 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.
 */

#ifndef NETWORKINTERFACE_H
#define NETWORKINTERFACE_H

/** NetworkInterface class.
 *   This is a common interface that is shared between all hardware that connect
 *   to a network over IP.
 */
class NetworkInterface
{
public:

    /**
     *    Initialize the network interface with DHCP.
     *
     *    \returns 0 on success, a negative number on failure
     */
    virtual int init(void) const = 0;

    /**
     *    Initialize the network interface with a static IP address.
     *
     *    @param ip The static IP address to use
     *    @param mask The IP address mask
     *    @param gateway The gateway to use
     *
     *    \returns 0 on success, a negative number on failure
     */
    int init(const char *ip, const char *mask, const char *gateway) const = 0;

    /**
     *    Start the interface, using DHCP if needed.
     *
     *    @param timeout_ms Time in miliseconds to wait while attempting to connect before timing out
     *
     *    \returns 0 on success, a negative number on failure
     */
    virtual int connect(const unsigned int timeout_ms=15000) const = 0;

    /**
     *    Stop the interface, bringing down dhcp if necessary.
     *
     *    \returns 0 on success, a negative number on failure
     */
    virtual int disconnect(void) const = 0;

    /**
     *    Get the current IP address.
     *
     *    \returns a pointer to a string containing the IP address.
     */
    virtual char *getIPAddress(void) const = 0;

    /**
     *    Get the current gateway address.
     *
     *    \returns a pointer to a string containing the gateway address.
     */
    virtual char *getGateway(void) const = 0;


    /**
     *    Get the current network mask.
     *
     *    \returns a pointer to a string containing the network mask.
     */
    virtual char *getNetworkMask(void) const = 0;

    /**
     *    Get the devices MAC address.
     *
     *    \returns a pointer to a string containing the mac address.
     */
    virtual char *getMACAddress(void) const = 0;

    /**
     *    Get the current status of the interface connection.
     *
     *    \returns true if connected, false otherwise.
     */
    virtual int isConnected(void) const = 0;
};

#endif