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/* IPInterface.h */
/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef IPINTERFACE_H_
#define IPINTERFACE_H_
#include "core/fwk.h"
/** Generic IP-based network interface
*
*/
class IPInterface
{
public:
IPInterface();
virtual ~IPInterface();
//int init(); //Initialize interface; no connection should be performed at this stage
virtual int connect() = 0; //Do connect the interface
virtual int disconnect() = 0;
//It is encouraged that the derived class implement a "setup(...)" function to configure the interface before the connection
char* getIPAddress(); //Get IP Address as a string ('a.b.c.d')
bool isConnected(); //Is the interface connected?
static IPInterface* getDefaultInterface(); //For use by TCP, UDP sockets library
//WARN: Implementation will have to be more careful in case of multiple interfaces (or implement a routing protocol based on local IP addresses differentiation)
void registerAsDefaultInterface(); //First come, first served
void unregisterAsDefaultInterface(); //Must be called before inst is destroyed to avoid invalid ptr fault
protected:
//Must be called by subclasses
void setIPAddress(char* ipAddr);
void setConnected(bool connected);
private:
char m_ipAddr[16];
bool m_connected;
static IPInterface* s_pDefaultInterface;
};
#endif /* IPINTERFACE_H_ */
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