private void _connection_StateChange(object sender, StateChangeEventArgs e)
{
lock (stateLock)
{
ConnectionStateRedundant newState = StateRedundant;
if (sender == _connectionPrimary)
{
switch (e.CurrentState)
{
case ConnectionState.Open:
newState &= ~ConnectionStateRedundant.BrokenPrimary;
newState |= ConnectionStateRedundant.OpenPrimary;
break;
case ConnectionState.Broken:
case ConnectionState.Closed:
newState |= ConnectionStateRedundant.BrokenPrimary;
newState &= ~ConnectionStateRedundant.OpenPrimary;
break;
}
}
if (sender == _connectionSecondary)
{
switch (e.CurrentState)
{
case ConnectionState.Open:
newState &= ~ConnectionStateRedundant.BrokenSecondary;
newState |= ConnectionStateRedundant.OpenSecondary;
break;
case ConnectionState.Broken:
case ConnectionState.Closed:
newState |= ConnectionStateRedundant.BrokenSecondary;
newState &= ~ConnectionStateRedundant.OpenSecondary;
break;
}
}
if ((newState & (ConnectionStateRedundant.BrokenPrimary | ConnectionStateRedundant.BrokenSecondary)) > 0)
{
newState = (newState & ~ConnectionStateRedundant.Open) | ConnectionStateRedundant.Broken;
}
if ((_connectionPrimary != null || _connectionSecondary != null) &&
(_connectionPrimary == null || _connectionPrimary.State == ConnectionState.Open) &&
(_connectionSecondary == null || _connectionSecondary.State == ConnectionState.Open))
{
newState = (newState & ~ConnectionStateRedundant.Broken) | ConnectionStateRedundant.Open;
}
StateRedundant = newState;
}
}
public RedundantConnectionStateEventArgs(ConnectionStateRedundant oldState, ConnectionStateRedundant newState)
{
OldState = oldState;
NewState = newState;
}
