tracker.h

linux系统下bt的客户端实现。 采用的是c++

#ifndef TRACKER_H
#define TRACKER_H
#include <netinet/in.h>
#include "Bencode.h"


struct Tracker
{
		int sock, m_conn_times;
		char state,  *path, *host;
		unsigned short port;
		size_t m_conn_interval;
		char m_tracker_id[20 + 1];
		
};

class btTracker
{
	public:	
	int	     m_status, m_sock, m_port_list[10], m_sock_list[10], 
			 m_stat_list[10];
	size_t   m_conn_refused, m_seeds_count, m_peers_count, 
			 m_tracker_count, m_tracker_active, m_conn_interval;
	char     m_path[1024], m_host[256], m_key[9], m_tracker_id[20 + 1],
	         *m_host_list[10], *m_path_list[10];
	

	in_port_t m_port, m_listen_port;
	struct sockaddr_in m_self_addr;

	char m_f_started : 1;
	char m_f_stopped : 1;
	char m_f_completed : 1;
	public:
	btTracker();
	~btTracker();
	void CloseSocket(int);
	int Initial();
	int Connect(int idx);
	int connect_nonb(int idx, struct sockaddr_in*, socklen_t);
	int s2sin(char*, int, struct sockaddr_in*);
	int SocketReady(fd_set*, fd_set*, int*, fd_set*, fd_set*);
	int CheckResponse(int i);
	int GetPeerInfo(Bencode*p);
	int UpdatePeerList(char*, size_t);
	int SendRequest(int idx, int mode);
	int Reset();

	int Ip2sin(char*, int, struct sockaddr_in*);
	int writen(int fd, const void* ptr, size_t len);
	int readn(int fd, char* ptr, size_t len);
};

extern btTracker TRACKER;
#endif