/// <summary>
/// Sets the power state of the provided IPowerState given that the
/// specified BTCmd will be executed next. A null BTCmd indicates that
/// there are no more pending BTCmds to be executed from any connection.
/// </summary>
/// <param name="ips">
/// The IPowerState
/// </param>
/// <param name="conn">
/// The BTConnection for which the BTCmd is being executed.
/// </param>
/// <param name="cmd">
/// The next BTCmd to be executed, or null if there are no pending BTCmds.
/// </param>
public void ApplyPolicy(IPowerState ips, BTConnection conn, BTConnection.BTCmd cmd)
{
lock (this)
{
if (null != cmd)
{ // Dispose of the Timer if it's active, then PARK the chip
if (null != m_powerOffTimer)
{
m_powerOffTimer.Dispose();
m_powerOffTimer = null;
}
PowerState state = PowerState.Park;
while (!ips.SetPowerState(ref state))
{
Thread.Sleep(1);
}
}
else
{ // Then set a Timer that will turn the chip OFF if no new commands in the specified timeout
if (null == conn || !conn.Connected)
{
if (null == m_powerOffTimer)
{
m_powerOffTimer = new Timer(PowerOffTimerFired, ips, c_powerOffTimeout, Timeout.Infinite);
}
}
}
}
}
/// <summary>
/// Sets the power state of the provided IPowerState given that the
/// specified BTCmd will be executed next. A null BTCmd indicates that
/// there are no more pending BTCmds to be executed from any connection.
/// </summary>
/// <param name="ips">
/// The IPowerState
/// </param>
/// <param name="conn">
/// The BTConnection for which the BTCmd is being executed.
/// </param>
/// <param name="cmd">
/// The next BTCmd to be executed, or null if there are no pending BTCmds.
/// </param>
public void ApplyPolicy(IPowerState ips, BTConnection conn, BTConnection.BTCmd cmd)
{
lock (this)
{
if (null != cmd)
{ // Dispose of the Timer if it's active, then PARK the chip
if (null != m_powerOffTimer)
{
m_powerOffTimer.Dispose();
m_powerOffTimer = null;
}
PowerState state = PowerState.Park;
while (!ips.SetPowerState(ref state))
{
Thread.Sleep(1);
}
}
else
{ // Then set a Timer that will turn the chip OFF if no new commands in the specified timeout
if (null == conn || !conn.Connected)
{
if (null == m_powerOffTimer)
{
m_powerOffTimer = new Timer(PowerOffTimerFired, ips, c_powerOffTimeout, Timeout.Infinite);
}
}
}
}
}
/// <summary>
/// The event handler for the power off Timer firing event.
/// </summary>
/// <param name="sender">
/// The sending object (i.e. the Timer).
/// </param>
/// <param name="eargs">
/// The event arguments.
/// </param>
public void PowerOffTimerFired(object state)
{
IPowerState ips = (IPowerState)state;
lock (this)
{
if (null != m_powerOffTimer)
{
m_powerOffTimer.Dispose();
m_powerOffTimer = null;
PowerState ps = PowerState.Off;
while (!ips.SetPowerState(ref ps))
{
Thread.Sleep(1);
}
}
}
}