/// <summary>
/// 建立连接
/// </summary>
/// <returns></returns>
RedisConnection Connect(RedisConnection old = null)
{
try
{
if (old == null)
{
old = new RedisConnection()
{
Connection = ConnectionMultiplexer.Connect(_connectStr), Repairing = false
};
}
else
{
old.Connection = ConnectionMultiplexer.Connect(_connectStr);
old.Repairing = false;
}
SERedisConnectionDefenderEx.Repaired[_sectionName] = new SectionInfo
{
SectionName = _sectionName,
Created = DateTime.Now
};
SERedisConnectionCache.Set(_sectionName, old);
return(old);
}
catch (Exception ex)
{
throw new Exception("SERedisConnectionDefender.Connect 异常，connectStr：" + _connectStr, ex);
}
}
/// <summary>
/// redis 连接
/// </summary>
/// <param name="sectionName"></param>
/// <param name="dbIndex"></param>
public SERedisConnection(string sectionName, int dbIndex)
{
_sectionName = sectionName;
_dbIndex = dbIndex;
RedisConnection = SERedisConnectionCache.Get(_sectionName);
if (RedisConnection == null || RedisConnection.Connection == null || !RedisConnection.Connection.IsConnected || RedisConnection.Repairing)
{
throw new Exception("Redis 连接未初始化或正在修复中,无法执行此操作，sectionName：" + sectionName);
}
Configuration = RedisConnection.Connection.Configuration;
}
/// <summary>
/// 释放连接
/// </summary>
/// <param name="old"></param>
void DisConnect(RedisConnection old = null)
{
if (old == null)
{
return;
}
SERedisConnectionCache.Remove(_sectionName);
old.Connection.Close();
old.Connection.Dispose();
old.Connection = null;
}
/// <summary>
/// 初始化池，类似于构造方法
/// 不要重复调用
/// </summary>
/// <param name="redisConfig"></param>
public void Init(RedisConfig redisConfig)
{
if (redisConfig == null)
{
throw new Exception("传入的redisConfig实例不能空");
}
_sectionName = redisConfig.SectionName;
_BusyRetry = redisConfig.BusyRetry;
_BusyRetryWaitMS = redisConfig.BusyRetryWaitMS;
if (string.IsNullOrWhiteSpace(_sectionName))
{
throw new Exception("redisConfig.SectionName不能为空");
}
lock (locker)
{
if (SERedisConnectionCache.Exists(_sectionName))
{
return;
}
var configStr = GenerateConnectionString(redisConfig);
if ((redisConfig.PoolSize < 1) || (redisConfig.PoolSize > 100))
{
redisConfig.PoolSize = 1;
}
//哨兵特殊处理
if (redisConfig.Type == RedisConnectType.Sentinel)
{
var sentinel = new SESentinelClient(_sectionName, configStr, redisConfig.PoolSize, redisConfig.Password);
sentinel.OnRedisServerChanged += sentinel_OnRedisServerChanged;
var operateRedisConnecitonString = sentinel.Start();
_SentinelPool.AddOrUpdate(_sectionName + "_" + redisConfig.ServiceName, sentinel, (x, y) => sentinel);
SERedisConnectionCache.Init(_sectionName, operateRedisConnecitonString);
}
else
{
SERedisConnectionCache.Init(_sectionName, configStr);
}
}
}
/// <summary>
/// 哨兵监测事件
/// </summary>
/// <param name="section"></param>
/// <param name="newConnectionString"></param>
private void sentinel_OnRedisServerChanged(string section, string newConnectionString)
{
SERedisConnectionCache.Init(_sectionName, newConnectionString);
}