public (byte[], Error) ReadBytes(DataType dataType, int db, int startByteAdr, int count, string ip)
{
Error err = new Error();
byte[] ret = new byte[] { };
PlcDriver driver = new PlcDriver();
bool isFree = false;
SpinWait spin = new SpinWait();
while (isFree == false)
{
lock (connLock)
{
for (int i = 0; i < connections.Count; i++)
{
if (connections[i].Ip == ip)
{
for (int ii = 0; ii < connections[i].Drivers.Count; ii++)
{
if (isFree == false)
{
driver = connections[i].Drivers[ii];
if (driver.GetIsActive() == false)
{
isFree = true;
driver.SetIsActive(true);
connections[i].Drivers[ii] = driver;
}
}
}
}
}
}
if (isFree == false)
{
spin.SpinOnce();
}
}
(ret, err) = driver.ReadBytes(dataType, db, startByteAdr, count);
lock (connLock)
{
for (int i = 0; i < connections.Count; i++)
{
if (connections[i].Ip == ip)
{
for (int ii = 0; ii < connections[i].Drivers.Count; ii++)
{
driver = connections[i].Drivers[ii];
driver.SetIsActive(false);
connections[i].Drivers[ii] = driver;
}
}
}
}
return(ret, err);
}
