Exemplo n.º 1
0
/* 更新新加入节点的前继的前继和后继的后继
 * 通过向前继节点发出yourpre命令找出前继的前继,向后继节点发出yoursuc命令找出后继的后继
 */
void Join::init_suc_suc_pre_pre()
{
	//后继的后继
	string cmd = "yoursuc";
	CSocket socket;
	socket.Connect(peer->fingerTable.sucIP.c_str(),peer->fingerTable.sucPort);
	socket.WriteLine(cmd);
	string k = socket.ReadLine();
	vector<string> s = Tool::Split(k," ");
	peer->fingerTable.sucsucIP = s[0];
	peer->fingerTable.sucsucPort = atoi(s[1].c_str());
	peer->fingerTable.sucsucId = atoi(s[2].c_str());
	socket.Close();

	theApp.scout<<"@@@@@@@@@@@@@@@"<<endl;

	//前继的前继
	cmd = "yourpre";
	socket.Connect(peer->fingerTable.preIP.c_str(),peer->fingerTable.prePort);
	socket.WriteLine(cmd);
	k = socket.ReadLine();
	s = Tool::Split(k," ");
	peer->fingerTable.prepreIP = s[0];
	peer->fingerTable.preprePort = atoi(s[1].c_str());
	peer->fingerTable.prepreId = atoi(s[2].c_str());
	socket.Close();
}
Exemplo n.º 2
0
/*根据ip和port来寻找pre*/
string Join::findPre(string ip, int port)
{
	CSocket socket;
	socket.Connect(ip.c_str(),port);//连接服务器
	string cmd = "yourpre";
	socket.WriteLine(cmd);
	//读取查询结果
	string result = socket.ReadLine();
	theApp.scout<<result<<endl;
	return result;
}
Exemplo n.º 3
0
/*在要连接的节点的后继节点链表中,找出离新节点最近且是新节点的前继的节点*/
string Join::findClosestPrecedingFinger(int id, string remoteIp, int remotePort)
{
	stringstream ss;
	ss<<id;
	string cmd = "closestprecedingfinger " + ss.str();
	CSocket socket;
	socket.Connect(remoteIp.c_str(),remotePort);
	socket.WriteLine(cmd);
	//读取查询结果
	string result = socket.ReadLine();
	theApp.scout<<result<<endl;
	return result;
}