/// <summary>
/// Method used by trying to reconnect.
/// </summary>
/// <param name="connectionVersion">A value indicating witch connection version is being used. Useful for ensuring that only one thread performs this action.</param>
/// <returns>false if it failed to reconnect or false indicating that reconnection was sucessfull</returns>
private bool OnIoFailure(long connectionVersion)
{
lock (this)
{
if (closed)
{
return(false);
}
// Check connection version
if (connectionVersion < this.connectionVersion)
{
// Another thread already sinalized the failure so return
return(!closed); // If the reconnection was sucessful then it's not closed, otherwise it is.
}
log.ErrorFormat("Connection failed. {0}", hosts.Peek());
// Fire event
IoSyncStatus syncStatus = new IoSyncStatus(IoStatus.Failed, new NotifiableEvent <IoStatus>());
IoFailureHandler handler = this.IoFailed;
if (handler != null)
{
handler(syncStatus);
}
// Close socket
CloseCommunication();
// Reconnect
bool retry = false;
int tryCount = 0;
do
{
try
{
++this.connectionVersion;
StartReading(hostInfo);
retry = false;
}
catch (Exception)
{
retry = (++tryCount) != retriesCount;
if (!retry)
{
closed = true;
//Notify clients
syncStatus.Status = IoStatus.Closed;
syncStatus.OnChange.Fire(syncStatus.Status);
// Return
return(false);
}
// wait for while, give the agent time to get back to life.
System.Threading.Thread.Sleep(1000);
hostInfo = hosts.Get();
}
if (retry)
{
log.ErrorFormat("Re-connection failed. {0}", hosts.Peek());
}
} while (retry);
syncStatus.Status = IoStatus.Ok;
syncStatus.OnChange.Fire(syncStatus.Status);
}
return(true);
}