/// <summary>
/// Set things in motion.
/// </summary>
protected void OnStart(string[] args)
{
try
{
int i;
if (!EventLog.Exists("Opera"))
{
EventLog.CreateEventSource("OperaDataProcServer", "Opera");
}
EventLog.Source = "OperaDataProcServer";
EventLog.Log = "Opera";
System.Configuration.AppSettingsReader asr = new System.Configuration.AppSettingsReader();
try
{
DBServer = SySal.OperaDb.OperaDbCredentials.Decode((string)asr.GetValue("DBServer", typeof(string)));
DBUserName = SySal.OperaDb.OperaDbCredentials.Decode((string)asr.GetValue("DBUserName", typeof(string)));
DBPassword = SySal.OperaDb.OperaDbCredentials.Decode((string)asr.GetValue("DBPassword", typeof(string)));
}
catch (Exception x)
{
throw new Exception("Encryption error in credentials.\r\nPlease fill in valid encrypted data (you can use OperaDbGUILogin, for instance), or run the service as the appropriate user.");
}
SySal.OperaDb.OperaDbConnection conn = new SySal.OperaDb.OperaDbConnection(DBServer, DBUserName, DBPassword);
conn.Open();
IPHostEntry iph = Dns.Resolve(Dns.GetHostName());
string [] idstr = new string[iph.Aliases.Length + iph.AddressList.Length];
idstr[0] = iph.HostName;
for (i = 0; i < iph.Aliases.Length; i++)
{
idstr[i] = iph.Aliases[i];
}
for (i = 0; i < iph.AddressList.Length; i++)
{
idstr[i + iph.Aliases.Length] = iph.AddressList[i].ToString();
}
string selstr = "LOWER(TB_MACHINES.ADDRESS)='" + iph.HostName.ToLower() + "'";
foreach (string s in idstr)
{
selstr += (" OR ADDRESS='" + s + "'");
}
DataSet ds = new DataSet();
SySal.OperaDb.OperaDbDataAdapter da = new SySal.OperaDb.OperaDbDataAdapter("SELECT TB_SITES.ID, TB_SITES.NAME, TB_MACHINES.ID, TB_MACHINES.NAME, TB_MACHINES.ADDRESS FROM TB_SITES INNER JOIN TB_MACHINES ON (TB_MACHINES.ID_SITE = TB_SITES.ID AND TB_MACHINES.ISDATAPROCESSINGSERVER = 1 AND (" + selstr + "))", conn, null);
da.Fill(ds);
if (ds.Tables[0].Rows.Count < 1)
{
throw new Exception("Can't find myself in OperaDb registered machines. This service is made unavailable.");
}
IdSite = SySal.OperaDb.Convert.ToInt64(ds.Tables[0].Rows[0][0]);
SiteName = ds.Tables[0].Rows[0][1].ToString();
IdMachine = SySal.OperaDb.Convert.ToInt64(ds.Tables[0].Rows[0][2]);
MachineName = ds.Tables[0].Rows[0][3].ToString();
MachineAddress = ds.Tables[0].Rows[0][4].ToString();
object val;
val = ReadOverride("DPS_MachinePowerClass", conn);
if (val != System.DBNull.Value)
{
MachinePowerClass = Convert.ToInt32(val.ToString());
}
else
{
MachinePowerClass = (int)asr.GetValue("MachinePowerClass", typeof(int));
}
val = ReadOverride("DPS_PeakWorkingSetMB", conn);
if (val != System.DBNull.Value)
{
PeakWorkingSetMB = Convert.ToInt32(val.ToString());
}
else
{
PeakWorkingSetMB = (int)asr.GetValue("PeakWorkingSetMB", typeof(int));
}
val = ReadOverride("DPS_ResultLiveSeconds", conn);
if (val != System.DBNull.Value)
{
ResultLiveTime = System.TimeSpan.FromSeconds(Convert.ToInt32(val.ToString()));
}
else
{
ResultLiveTime = System.TimeSpan.FromSeconds((int)asr.GetValue("ResultLiveSeconds", typeof(int)));
}
val = ReadOverride("DPS_LowPriority", conn);
if (val != System.DBNull.Value)
{
LowPriority = Convert.ToBoolean(val.ToString());
}
else
{
LowPriority = (bool)asr.GetValue("LowPriority", typeof(bool));
}
ChannelServices.RegisterChannel(new TcpChannel((int)SySal.DAQSystem.OperaPort.DataProcessingServer));
DPS = new SySal.DAQSystem.MyDataProcessingServer(EventLog);
RemotingServices.Marshal(DPS, "DataProcessingServer.rem");
conn.Close();
EventLog.WriteEntry("Service starting\r\nThread Priority: " + (LowPriority ? "Below normal" : "Normal") + "\r\nPeak working set (MB): " + PeakWorkingSetMB + "\r\nMachine power class: " + MachinePowerClass + "\r\nSelf-identification yields:\r\nSite: " + SiteName + "\r\nSite Id: " + IdSite + "\r\nMachine: " + MachineName + "\r\nMachine Id: " + IdMachine + "\r\nMachine Address: " + MachineAddress, EventLogEntryType.Information);
}
catch (System.Exception x)
{
EventLog.WriteEntry("Service startup failure:\n" + x.ToString(), EventLogEntryType.Error);
throw x;
}
}
