private SlaveInstance MasterToSlave(MasterInstance master)
{
var group = master.Group;
var newSlave = new SlaveInstance(group)
{
EndPoint = master.EndPoint,
};
newSlave.CopyFrom(master);
redisInstancesDict[newSlave.EndPoint.ToString()] = newSlave;
group.AddSlave(newSlave);
Console.WriteLine("modify {0} from master to slave in momery", master.EndPoint);
return(newSlave);
}
private MasterInstance SlaveToMaster(SlaveInstance slave)
{
var group = slave.Group;
var newMaster = new MasterInstance(group)
{
EndPoint = slave.EndPoint,
};
newMaster.CopyFrom(slave);
redisInstancesDict[newMaster.EndPoint.ToString()] = newMaster;
group.SetCurrentMaster(newMaster);
group.RemoveSlave(slave);
Console.WriteLine("modify {0} from slave to master in momery", slave.EndPoint);
return(newMaster);
}
// every 10s
private async Task RefreshAllMasters()
{
var masters = groups.Values.Select(g => g.Master);
var toConnectSlaves = new List<RedisInstanceBase>();
foreach (var master in masters)
{
try
{
if (!master.Server.IsConnected)
{
continue;
}
if (master.Server.IsSlave)
{
Console.WriteLine("master {0} state hasn't been sync, still slave", master.EndPoint);
//todo
continue;
}
var val = await master.Server.InfoAsync();
foreach (var group in val)
{
if (group.Key.Equals("Replication"))
{
var slavesNum = int.Parse(group.First(kv => kv.Key.Equals("connected_slaves")).Value);
for (int i = 0; i < slavesNum; i++)
{
var slaveId = string.Format("slave{0}", i);
var slaveInfo = group.First(kv => kv.Key.Equals(slaveId)).Value;
var infos = slaveInfo.Split(',');
var ip = infos[0].Split('=')[1];
if (ip.Equals("127.0.0.1"))
{
ip = master.EndPoint.ToString().Split(':')[0];
}
var ep = new IPEndPoint(IPAddress.Parse(ip),
int.Parse(infos[1].Split('=')[1]));
var epStr = ep.ToString();
RedisInstanceBase ins = null;
if (!redisInstancesDict.TryGetValue(epStr, out ins))
{
ins = redisInstancesDict[epStr] = new SlaveInstance(master.Group);
toConnectSlaves.Add(ins);
}
var slaveIns = ins as SlaveInstance;
if (slaveIns == null)
{
Console.WriteLine("slave {0} state hasn't been sync, still master", ins.EndPoint);
continue;
}
slaveIns.OnMasterInfoRefresh(ep, slaveInfo);
master.Group.AddSlave(slaveIns);
}
}
else if (group.Key.Equals("Server"))
{
var runId = group.First(kv => kv.Key.Equals("run_id")).Value;
master.RunId = runId;
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
if (toConnectSlaves.Count > 0)
{
ReconfigureConnection(toConnectSlaves);
}
}
private SlaveInstance MasterToSlave(MasterInstance master)
{
var group = master.Group;
var newSlave = new SlaveInstance(group)
{
EndPoint = master.EndPoint,
};
newSlave.CopyFrom(master);
redisInstancesDict[newSlave.EndPoint.ToString()] = newSlave;
group.AddSlave(newSlave);
Console.WriteLine("modify {0} from master to slave in momery", master.EndPoint);
return newSlave;
}
private MasterInstance SlaveToMaster(SlaveInstance slave)
{
var group = slave.Group;
var newMaster = new MasterInstance(group)
{
EndPoint = slave.EndPoint,
};
newMaster.CopyFrom(slave);
redisInstancesDict[newMaster.EndPoint.ToString()] = newMaster;
group.SetCurrentMaster(newMaster);
group.RemoveSlave(slave);
Console.WriteLine("modify {0} from slave to master in momery", slave.EndPoint);
return newMaster;
}
public void RemoveSlave(SlaveInstance slave)
{
Slaves.Remove(slave.EndPoint.ToString());
}
public void AddSlave(SlaveInstance slave)
{
Slaves[slave.EndPoint.ToString()] = slave;
}
// every 10s
private async Task RefreshAllMasters()
{
var masters = groups.Values.Select(g => g.Master);
var toConnectSlaves = new List <RedisInstanceBase>();
foreach (var master in masters)
{
try
{
if (!master.Server.IsConnected)
{
continue;
}
if (master.Server.IsSlave)
{
Console.WriteLine("master {0} state hasn't been sync, still slave", master.EndPoint);
//todo
continue;
}
var val = await master.Server.InfoAsync();
foreach (var group in val)
{
if (group.Key.Equals("Replication"))
{
var slavesNum = int.Parse(group.First(kv => kv.Key.Equals("connected_slaves")).Value);
for (int i = 0; i < slavesNum; i++)
{
var slaveId = string.Format("slave{0}", i);
var slaveInfo = group.First(kv => kv.Key.Equals(slaveId)).Value;
var infos = slaveInfo.Split(',');
var ip = infos[0].Split('=')[1];
if (ip.Equals("127.0.0.1"))
{
ip = master.EndPoint.ToString().Split(':')[0];
}
var ep = new IPEndPoint(IPAddress.Parse(ip),
int.Parse(infos[1].Split('=')[1]));
var epStr = ep.ToString();
RedisInstanceBase ins = null;
if (!redisInstancesDict.TryGetValue(epStr, out ins))
{
ins = redisInstancesDict[epStr] = new SlaveInstance(master.Group);
toConnectSlaves.Add(ins);
}
var slaveIns = ins as SlaveInstance;
if (slaveIns == null)
{
Console.WriteLine("slave {0} state hasn't been sync, still master", ins.EndPoint);
continue;
}
slaveIns.OnMasterInfoRefresh(ep, slaveInfo);
master.Group.AddSlave(slaveIns);
}
}
else if (group.Key.Equals("Server"))
{
var runId = group.First(kv => kv.Key.Equals("run_id")).Value;
master.RunId = runId;
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
if (toConnectSlaves.Count > 0)
{
ReconfigureConnection(toConnectSlaves);
}
}