/// <summary>
/// Connect to and return the active master Redis client
/// </summary>
/// <param name="masterName">Name of master</param>
/// <param name="timeout">Time to wait for Sentinel response (milliseconds)</param>
/// <param name="masterTimeout">Time to wait for Redis master response (milliseconds)</param>
/// <returns>Connected RedisClient master, or null if cannot connect</returns>
public RedisClient GetMaster(string masterName, int timeout, int masterTimeout)
{
RedisSentinelClient sentinel = GetSentinel(timeout);
if (sentinel != null)
{
using (sentinel)
{
var host = sentinel.GetMasterAddrByName(masterName);
if (host != null)
{
return(new RedisClient(host.Item1, host.Item2, masterTimeout));
}
}
}
return(null);
}
/// <summary>
/// Connect to and return a Redis Sentinel client
/// </summary>
/// <param name="timeout">Time to wait for Sentinel response (milliseconds)</param>
/// <returns>Connected Sentinel client, or null if cannot connect</returns>
public RedisSentinelClient GetSentinel(int timeout)
{
int c = _sentinels.Count;
while (c-- > 0)
{
var first = _sentinels.First;
RedisSentinelClient sentinel = new RedisSentinelClient(first.Value.Key, first.Value.Value, timeout);
if (sentinel.Connected)
{
return(sentinel);
}
_sentinels.RemoveFirst();
_sentinels.AddLast(first.Value);
}
return(null);
}
/// <summary>
/// Connect to and return a Redis slave client
/// </summary>
/// <param name="masterName">Name of master that slave belongs to</param>
/// <param name="timeout">Time to wait for Sentinel response (milliseconds)</param>
/// <param name="slaveTimeout">Time to wait for Redis slave response (milliseconds)</param>
/// <returns>Connected RedisClient slave, or null if cannot connect</returns>
public RedisClient GetSlave(string masterName, int timeout, int slaveTimeout)
{
RedisSentinelClient sentinel = GetSentinel(timeout);
if (sentinel != null)
{
using (sentinel)
{
foreach (var slave in sentinel.Slaves(masterName))
{
if (slave != null)
{
return(new RedisClient(slave.Ip, slave.Port, slaveTimeout));
}
}
}
}
return(null);
}