/*
 * RtpBroadCaster.h
 *
 *  Created on: 2016年12月23日
 *      Author: xzl
 */

#ifndef SRC_RTSP_RTPBROADCASTER_H_
#define SRC_RTSP_RTPBROADCASTER_H_

#include <arpa/inet.h>
#include <netinet/in.h>
#include <mutex>
#include <memory>
#include <unordered_set>
#include <unordered_map>
#include "Common/config.h"
#include "RtspMediaSource.h"
#include "Util/mini.h"
#include "Network/Socket.h"

using namespace std;
using namespace ZL::Util;
using namespace ZL::Network;

namespace ZL {
namespace Rtsp {

class MultiCastAddressMaker
{
public:
	static MultiCastAddressMaker &Instance(){
		static MultiCastAddressMaker instance;
		return instance;
	}
	static bool isMultiCastAddress(uint32_t iAddr){
		static uint32_t addrMin = mINI::Instance()[Config::MultiCast::kAddrMin].as<uint32_t>();
		static uint32_t addrMax = mINI::Instance()[Config::MultiCast::kAddrMax].as<uint32_t>();
		return iAddr >= addrMin && iAddr <= addrMax;
	}
	static string toString(uint32_t iAddr){
		iAddr = htonl(iAddr);
		return ::inet_ntoa((struct in_addr &)(iAddr));
	}
	virtual ~MultiCastAddressMaker(){}
	std::shared_ptr<uint32_t> obtain(uint32_t iTry = 10);
private:
	MultiCastAddressMaker(){};
	void release(uint32_t iAddr);
	uint32_t m_iAddr = mINI::Instance()[Config::MultiCast::kAddrMin].as<uint32_t>();
	recursive_mutex m_mtx;
	unordered_set<uint32_t> m_setBadAddr;
};
class RtpBroadCaster {
public:
	typedef std::shared_ptr<RtpBroadCaster> Ptr;
	typedef function<void()> onDetach;
	virtual ~RtpBroadCaster();
	static Ptr get(const string &strLocalIp,const string &strApp,const string &strStream);
	void setDetachCB(void *listener,const onDetach &cb);
	uint16_t getPort(int iTrackId);
	string getIP();
private:
	static recursive_mutex g_mtx;
	static unordered_map<string , weak_ptr<RtpBroadCaster> > g_mapBroadCaster;
	static Ptr make(const string &strLocalIp,const string &strApp,const string &strStream);

	std::shared_ptr<uint32_t> m_multiAddr;
	recursive_mutex m_mtx;
	unordered_map<void * , onDetach > m_mapDetach;
	RtspMediaSource::RingType::RingReader::Ptr m_pReader;
	Socket::Ptr m_apUdpSock[2];
	struct sockaddr_in m_aPeerUdpAddr[2];

	RtpBroadCaster(const string &strLocalIp,const string &strApp,const string &strStream);

};

} /* namespace Rtsp */
} /* namespace ZL */

#endif /* SRC_RTSP_RTPBROADCASTER_H_ */