/// <summary>
/// 临时任务（程序重启会丢失）
/// </summary>
/// <param name="timeout"></param>
/// <param name="handle"></param>
/// <returns></returns>
public string AddTempTask(TimeSpan timeout, Action handle)
{
var id = Guid.NewGuid().ToString();
var bus = new IdleTimeout(() =>
{
_ib.TryRemove(id);
Interlocked.Decrement(ref _quantityTempTask);
if (handle != null)
{
_wq.Enqueue(handle);
}
});
if (_ib.TryRegister(id, () => bus, timeout))
{
_ib.Get(id);
Interlocked.Increment(ref _quantityTempTask);
}
return(id);
}
internal void ResetSentinel()
{
if (ResetSentinelFlag != 0)
{
return;
}
if (Interlocked.Increment(ref ResetSentinelFlag) != 1)
{
Interlocked.Decrement(ref ResetSentinelFlag);
return;
}
string masterhostEnd = _masterHost;
var allkeys = _ib.GetKeys().ToList();
for (int i = 0; i < _sentinels.Count; i++)
{
if (i > 0)
{
var first = _sentinels.First;
_sentinels.RemoveFirst();
_sentinels.AddLast(first.Value);
}
try
{
using (var sentinelcli = new RedisSentinelClient(_sentinels.First.Value))
{
var masterhost = sentinelcli.GetMasterAddrByName(_connectionString.Host);
var masterConnectionString = localTestHost(masterhost, RoleType.Master);
if (masterConnectionString == null)
{
continue;
}
masterhostEnd = masterhost;
if (_rw_splitting)
{
foreach (var slave in sentinelcli.Salves(_connectionString.Host))
{
ConnectionStringBuilder slaveConnectionString = localTestHost($"{slave.ip}:{slave.port}", RoleType.Slave);
if (slaveConnectionString == null)
{
continue;
}
}
}
foreach (var sentinel in sentinelcli.Sentinels(_connectionString.Host))
{
var remoteSentinelHost = $"{sentinel.ip}:{sentinel.port}";
if (_sentinels.Contains(remoteSentinelHost))
{
continue;
}
_sentinels.AddLast(remoteSentinelHost);
}
}
break;
}
catch { }
}
foreach (var spkey in allkeys)
{
_ib.TryRemove(spkey, true);
}
Interlocked.Exchange(ref _masterHost, masterhostEnd);
Interlocked.Decrement(ref ResetSentinelFlag);
ConnectionStringBuilder localTestHost(string host, RoleType role)
{
ConnectionStringBuilder connectionString = _connectionString.ToString();
connectionString.Host = host;
connectionString.MinPoolSize = 1;
connectionString.MaxPoolSize = 1;
using (var cli = new RedisClient(connectionString))
{
if (cli.Role().role != role)
{
return(null);
}
if (role == RoleType.Master)
{
//test set/get
}
}
connectionString.MinPoolSize = connectionString.MinPoolSize;
connectionString.MaxPoolSize = connectionString.MaxPoolSize;
_ib.TryRegister(host, () => new RedisClientPool(connectionString, null, TopOwner));
allkeys.Remove(host);
return(connectionString);
}
}
void RefershClusterNodes()
{
foreach (var testConnection in _clusterConnectionStrings)
{
RegisterClusterNode(testConnection);
//尝试求出其他节点，并缓存slot
try
{
var cnodes = AdapterCall <string>("CLUSTER".SubCommand("NODES"), rt => rt.ThrowOrValue <string>()).Split('\n');
foreach (var cnode in cnodes)
{
if (string.IsNullOrEmpty(cnode))
{
continue;
}
var dt = cnode.Trim().Split(' ');
if (dt.Length < 9)
{
continue;
}
if (!dt[2].StartsWith("master") && !dt[2].EndsWith("master"))
{
continue;
}
if (dt[7] != "connected")
{
continue;
}
var endpoint = dt[1];
var at40 = endpoint.IndexOf('@');
if (at40 != -1)
{
endpoint = endpoint.Remove(at40);
}
if (endpoint.StartsWith("127.0.0.1"))
{
endpoint = $"{DefaultRedisSocket.SplitHost(testConnection.Host).Key}:{endpoint.Substring(10)}";
}
else if (endpoint.StartsWith("localhost", StringComparison.CurrentCultureIgnoreCase))
{
endpoint = $"{DefaultRedisSocket.SplitHost(testConnection.Host).Key}:{endpoint.Substring(10)}";
}
ConnectionStringBuilder connectionString = testConnection.ToString();
connectionString.Host = endpoint;
RegisterClusterNode(connectionString);
for (var slotIndex = 8; slotIndex < dt.Length; slotIndex++)
{
var slots = dt[slotIndex].Split('-');
if (ushort.TryParse(slots[0], out var tryslotStart) &&
ushort.TryParse(slots[1], out var tryslotEnd))
{
for (var slot = tryslotStart; slot <= tryslotEnd; slot++)
{
_slotCache.AddOrUpdate(slot, connectionString.Host, (k1, v1) => connectionString.Host);
}
}
}
}
break;
}
catch
{
_ib.TryRemove(testConnection.Host, true);
}
}
if (_ib.GetKeys().Length == 0)
{
throw new RedisClientException($"All \"clusterConnectionStrings\" failed to connect");
}
}
