/// <summary>
/// 连接可用性检查
/// </summary>
/// <param name="c"></param>
/// <returns></returns>
private bool ConnectionCheck(ActiveMQPoolConnection c)
{
if (!c.Connection.IsStarted)
{
c.Connection.Start();
}
if (c.Connection is Apache.NMS.ActiveMQ.Connection)
{
var mqconn = c.Connection as Apache.NMS.ActiveMQ.Connection;
if (mqconn.FirstFailureError != null || mqconn.TransportFailed == true)
{
return(false);
}
}
return(true);
}
/// <summary>
/// 从池用获取可用连接
/// </summary>
/// <returns></returns>
public ActiveMQPoolConnection GetPoolConnection()
{
//连接池未满
if (Connections.Count < Config.MaxConnectCount)
{
var conn = ConnectionFactory.CreateConnection();//放在锁外面是为了加快初始化速度
bool ifadd = true;
lock (_connlock)
{
if (Connections.Count <= Config.MaxConnectCount)//重新检查连接池数量
{
var poolconn = new ActiveMQPoolConnection(this, conn);
Connections.Add(poolconn);
return(poolconn);
}
else
{
ifadd = false;
}
}
if (ifadd == false)
{
conn.Close();
conn.Dispose();
}
}
int radomcount = Random(Config.MaxConnectCount);//随机连接复用
var c = Connections[radomcount];
if (!ConnectionCheck(c))//连接损坏，则修复
{
lock (_connlock)
{
c = Connections[radomcount];
if (!ConnectionCheck(c))
{
var conn = ConnectionFactory.CreateConnection();
var poolconn = new ActiveMQPoolConnection(this, conn);
Connections[radomcount] = poolconn;
c = Connections[radomcount];
}
}
}
return(c);
}
