public void FromXml(string configurationString)
{
if (configurationString == null || configurationString.Length == 0)
{
return;
}
XmlDocument config = new XmlDocument();
config.LoadXml(configurationString);
XmlElement root = config.DocumentElement;
Entries.Clear();
foreach (XmlElement pcNode in root.SelectNodes("nixDiskIOs"))
{
NIXDiskIOEntry entry = new NIXDiskIOEntry();
entry.SSHConnection = SSHConnectionDetails.FromXmlElement(pcNode);
entry.SubItems = new List <ICollectorConfigSubEntry>();
foreach (XmlElement fileSystemNode in pcNode.SelectNodes("disk"))
{
NIXDiskIOSubEntry fse = new NIXDiskIOSubEntry();
fse.DiskName = fileSystemNode.ReadXmlElementAttr("name", "");
fse.WarningValue = fileSystemNode.ReadXmlElementAttr("warningValue", 10.0d);
fse.ErrorValue = fileSystemNode.ReadXmlElementAttr("errorValue", 5.0d);
fse.PrimaryUIValue = fileSystemNode.ReadXmlElementAttr("primaryUIValue", false);
entry.SubItems.Add(fse);
}
Entries.Add(entry);
}
}
public override MonitorState GetCurrentState()
{
MonitorState currentState = new MonitorState()
{
ForAgent = Description,
State = CollectorState.None,
CurrentValue = ""
};
Renci.SshNet.SshClient sshClient = SSHConnection.GetConnection();
#region Get Disk infos and states
List <DiskIOInfoState> diskEntries = new List <DiskIOInfoState>();
//First see if ANY subentry is for all
bool addAll = (from NIXDiskIOSubEntry d in SubItems
where d.DiskName == "*"
select d).Count() > 0;
if (addAll)
{
NIXDiskIOSubEntry alertDef = (from NIXDiskIOSubEntry d in SubItems
where d.DiskName == "*"
select d).FirstOrDefault();
alertDef.PrimaryUIValue = false;
foreach (DiskIOInfo di in DiskIOInfo.GetCurrentDiskStats(sshClient, 250))
{
DiskIOInfoState dis = new DiskIOInfoState()
{
DiskInfo = di, State = CollectorState.NotAvailable, AlertDefinition = alertDef
};
diskEntries.Add(dis);
}
}
else
{
foreach (DiskIOInfo di in DiskIOInfo.GetCurrentDiskStats(sshClient, 250))
{
NIXDiskIOSubEntry alertDef = (from NIXDiskIOSubEntry d in SubItems
where d.DiskName.ToLower() == di.Name.ToLower()
select d).FirstOrDefault();
if (alertDef != null)
{
if (!diskEntries.Any(f => f.DiskInfo.Name.ToLower() == di.Name.ToLower()))
{
DiskIOInfoState dis = new DiskIOInfoState()
{
DiskInfo = di, State = CollectorState.NotAvailable, AlertDefinition = alertDef
};
diskEntries.Add(dis);
}
}
}
}
#endregion
SSHConnection.CloseConnection();
int errors = 0;
int warnings = 0;
int success = 0;
double average = 0;
foreach (DiskIOInfoState dis in diskEntries)
{
average += dis.DiskInfo.BytesReadWritePerSec;
if (dis.DiskInfo.BytesReadWritePerSec >= dis.AlertDefinition.ErrorValue)
{
dis.State = CollectorState.Error;
}
else if (dis.DiskInfo.BytesReadWritePerSec >= dis.AlertDefinition.WarningValue)
{
dis.State = CollectorState.Warning;
}
else
{
dis.State = CollectorState.Good;
success++;
}
if (dis.AlertDefinition.PrimaryUIValue)
{
currentState.CurrentValue = dis.DiskInfo.BytesReadWritePerSec.ToString("0.0");
currentState.CurrentValueUnit = "Bytes/Sec";
}
MonitorState diskIOState = new MonitorState()
{
ForAgent = dis.DiskInfo.Name,
State = dis.State,
CurrentValue = dis.DiskInfo.BytesReadWritePerSec.ToString("0.0"),
CurrentValueUnit = "Bytes/Sec",
PrimaryUIValue = dis.AlertDefinition.PrimaryUIValue
};
currentState.ChildStates.Add(diskIOState);
}
if (errors > 0 && warnings == 0 && success == 0) // any errors
{
currentState.State = CollectorState.Error;
}
else if (errors > 0 || warnings > 0) //any warnings
{
currentState.State = CollectorState.Warning;
}
else
{
currentState.State = CollectorState.Good;
}
if (currentState.CurrentValue.ToString() == "" && currentState.ChildStates.Count > 0)
{
currentState.CurrentValue = (average / currentState.ChildStates.Count).ToString("0.0");
currentState.CurrentValueUnit = "Bytes/Sec (avg)";
}
return(currentState);
}
