/// <summary>
/// Logs process start
/// </summary>
/// <param name="configrec">Configuration record having the information about the process to be started</param>
/// <param name="pd">Process data</param>
public void StartProcess(
ConfigurationRecord configRec,
ProcessData pd)
{
lock (this)
{
CheckDamaged();
XmlSerializer serializer = new XmlSerializer(typeof(StartProcess));
StartProcess sp = new StartProcess();
sp.ApplicationName = configRec.m_applicationName;
sp.StartUpData = configRec.m_cmdLineArgs;
sp.SQLServer = configRec.m_sqlServer;
sp.Database = configRec.m_database;
sp.Schema = configRec.m_schema;
sp.Queue = configRec.m_queue;
sp.ProcessId = pd.Pid;
sp.CreationHighDateTime = pd.CreationHighDateTime;
sp.CreationLowDateTime = pd.CreationLowDateTime;
StringBuilder sb = new StringBuilder();
TextWriter writer = new StringWriter(sb);
XmlTextWriter xwriter = new XmlTextWriter(writer);
xwriter.Formatting = Formatting.None;
serializer.Serialize(xwriter, sp);
string xmlStartProcessString = sb.ToString();
WriteToLog(String.Format("{0}{1}\n{2}", ms_processStart, xmlStartProcessString.Length, xmlStartProcessString));
}
}
/// <summary>
/// Adds a configuration record to the Configuration Record Table
/// </summary>
/// <param name="cfr"></param>
private void AddTo(
ConfigurationRecord cfr) // I Adds the configuration record to the Configuration
// Record Table
{
string RecordKey = GetKey(cfr);
Debug.Assert(!m_configRT.ContainsKey(RecordKey));
lock (this)
{
m_configRT.Add(RecordKey, cfr);
}
}
/// <summary>
/// Removes the configuration from the Configuration Record Table
/// </summary>
/// <param name="cfr"></param>
private void RemoveFrom(
ConfigurationRecord cfr) // I Remove the configuration record from the Configuration
// Record Table
{
string recordKey = GetKey(cfr);
lock (this)
{
Debug.Assert(m_configRT.ContainsKey(recordKey));
Debug.Assert(m_configRT[recordKey] == cfr);
m_configRT.Remove(recordKey);
}
}
/// <summary>
/// Report the status of the configuration manager
/// </summary>
public override string ToString()
{
lock (this)
{
string me = "Configuration status for notification service '" + m_instance.m_notificationService +
"' on SQL Server '" + m_instance.m_notificationSQLServer + "' and Database '" + m_instance.m_notificationDatabase + "'.";
foreach (DictionaryEntry d in m_configRT)
{
ConfigurationRecord cfr = ((ConfigurationRecord)(d.Value));
me += "\n " + cfr.ToString();
}
return(me);
}
}
/// <summary>
/// For the new Configuration Record Table, compare it to the Global Configuration Record Table (this)
/// add, delete or replace configuration records and update the application monitor referencing the records.
///
/// NOTE: If this function throws an exception we have to kill the application because we will have an
/// inconsistent configuration.
/// </summary>
/// <param name="ActivateProcessList"></param>
private void Update(
Hashtable configNew)
{
// First iteration adds / changes configuration records to the Global Configuration Record Table
foreach (DictionaryEntry d in configNew)
{
ConfigurationRecord newcfr = ((ConfigurationRecord)(d.Value));
// If there is old configuration record then remove it because it will be replaced with new one
ConfigurationRecord oldcfr = GetConfigRec(newcfr.m_sqlServer, newcfr.m_database, newcfr.m_schema, newcfr.m_queue);
if (oldcfr != null)
{
RemoveFrom(oldcfr);
}
AddTo(newcfr);
Global.AppMonitorMgr.InsertOrUpdate(newcfr);
}
// Second iteration deletes configuration records
ArrayList listToDelete = new ArrayList();
foreach (DictionaryEntry d in m_configRT)
{
ConfigurationRecord oldcfr = ((ConfigurationRecord)(d.Value));
// New Configuration Record Table does NOT contain the entry
string key = GetKey(oldcfr);
if (!configNew.Contains(key))
{
listToDelete.Add(oldcfr);
}
}
foreach (ConfigurationRecord oldcfr in listToDelete)
{
// Add to the list to remove from the Global Configuration Record Table
RemoveFrom(oldcfr);
ApplicationMonitor am = Global.AppMonitorMgr.GetApplicationMonitor(oldcfr.m_sqlServer, oldcfr.m_database, oldcfr.m_schema, oldcfr.m_queue);
if (am != null)
{
am.ResetConfig();
}
}
}
/// <summary>
/// Retrieves a configuratoin record by given key
/// </summary>
/// <param name="SQLServer"></param>
/// <param name="Database"></param>
/// <param name="Queue"></param>
/// <returns></returns>
private ConfigurationRecord GetConfigRec(
string sqlServer,
string database,
string schema,
string queue)
{
string key = GetKey(sqlServer, database, schema, queue);
lock (this)
{
if (m_configRT.ContainsKey(key))
{
ConfigurationRecord value = (ConfigurationRecord)m_configRT[key];
return(value);
}
}
return(null);
}
/// <summary>
/// Generates the configuration record key of the provided
/// configuration record
/// </summary>
/// <param name="cfr"></param>
/// <returns>The generated key</returns>
private static string GetKey(
ConfigurationRecord cfr)
{
return(GetKey(cfr.m_sqlServer, cfr.m_database, cfr.m_schema, cfr.m_queue));
}
