public ClickHouseConnection(int size, string connectionString) : base(connectionString)
{
connectionCount = size;
var c = 0;
while (c < connectionCount)
{
var conn = new ClickHouseConnection(connectionString);
conn.currentIndex = c;
conn.Open();
_conn.Add(conn);
_states.Add(true);
c++;
}
}
public ClickHouseConnection GetConnection()
{
sema.Wait();
ClickHouseConnection c = null;
bool s;
do
{
pointer %= connectionCount;
s = (bool)_states[pointer];
if (s)
{
_states[pointer] = false;
c = (ClickHouseConnection)_conn[pointer];
Interlocked.Increment(ref pointer);
break;
}
Interlocked.Increment(ref pointer);
}while (!s);
return(c);
}
public ClickHouseConnection SwapConnection(ClickHouseConnection conn)
{
conn.Release();
return(GetConnection());
}