#ifndef _SIMPLEUDPPEER_H_
#define _SIMPLEUDPPEER_H_

#include <cstdint>
#include <string>
#include <linux/in.h>

struct AsyncStub;

class SimpleUDPPeer
{
	friend struct AsyncStub;

public:
	struct Config
	{
		timeval defaultTimeout;
		size_t maxBuffSize;
		std::string local_ip;
		short local_port;
		std::string remote_ip;
		short remote_port;
		
		Config() : defaultTimeout(), maxBuffSize(60000), local_ip(), local_port(0), remote_ip(), remote_port(0)
		{
			defaultTimeout.tv_sec = 0;
			defaultTimeout.tv_usec = 0;
		}
	};
	
	typedef void (*proc_func_t)(void* args, uint8_t* buffer, size_t buffSize);

	SimpleUDPPeer();
	~SimpleUDPPeer();
	
	void set_config(const Config& _cfg);
	const Config& get_config() const;

	bool init();
	void teardown();
	bool send_sync(const uint8_t* buffer, size_t& buffSize);
	bool send_async(const uint8_t* buffer, size_t buffSize);
	bool recv_sync(uint8_t* buffer, size_t& buffSize);
	bool recv_async_start(proc_func_t proc, void* args = nullptr);
	void recv_async_stop();
	//#todo error callback

private:
	Config cfg;
	sockaddr_in local_address;
	sockaddr_in remote_address;
	int fd;
	AsyncStub* asyncStub;
};

#endif