public static void ThreadMethod(GuaranteedDeliveryThreadDelegate threadData)
{
SQLiteConnection dbConnection = null;
var targets = new Dictionary <string, NetworkJsonTarget>();
while (!threadData.IsAppShuttingDown)
{
try
{
if (dbConnection == null)
{
dbConnection = LogStorageDbGlobals.OpenNewConnection();
}
var logMessages = LogStorageTable.GetNextTenRecords(dbConnection);
if (logMessages.Rows.Count == 0)
{
Thread.Sleep(500);
}
else
{
for (var inc = 0; inc < logMessages.Rows.Count; inc++)
{
var messageId = logMessages.Rows[inc][LogStorageTable.Columns.MessageId.Index].ToString();
var endpoint = logMessages.Rows[inc][LogStorageTable.Columns.Endpoint.Index].ToString();
var logMessage = logMessages.Rows[inc][LogStorageTable.Columns.LogMessage.Index].ToString();
NetworkJsonTarget currentTarget = null;
if (!targets.TryGetValue(endpoint, out currentTarget))
{
currentTarget = new NetworkJsonTarget {
Endpoint = endpoint
};
targets.Add(endpoint, currentTarget);
}
currentTarget.Write(logMessage);
LogStorageTable.DeleteProcessedRecord(dbConnection, messageId);
Interlocked.Increment(ref TotalMessageCount);
Console.WriteLine($"OUT={TotalMessageCount}");
}
}
}
catch (Exception ex)
{
dbConnection?.Close();
dbConnection = null;
targets.Clear();
Thread.Sleep(1000);
}
}
Console.WriteLine("Background Thread Shutdown");
threadData.ThreadHasShutdown();
}
protected override void OnStart(string[] args)
{
var logger = LoggerFactory.GetInstrumentationLogger();
logger.InitializeExecutionLogging($"{this.GetRealServiceName(ServiceName)} Startup");
try
{
using (var dbConnection = LocalLogStorageDB.LogStorageDbGlobals.OpenNewConnection())
{
if (!LogStorageTable.TableExists(dbConnection))
{
logger.PushInfoWithTime($"{LogStorageTable.TableName} does not exist, creating.");
LogStorageTable.CreateTable(dbConnection);
logger.PushInfoWithTime($"{LogStorageTable.TableName} created.");
}
}
}
catch (Exception ex)
{
throw new Exception("SQLite Database Opening / Creation Failed.", ex);
}
try
{
var options = new StartOptions();
options.Urls.Add(_commandLineModel.Endpoint);
_signalR = WebApp.Start(options);
logger.PushInfoWithTime("SignalR Web App Started.");
}
catch (Exception ex)
{
throw new Exception("SignalR Hub Initialization Failed.", ex);
}
try
{
_guaranteedDeliveryThreadDelegate = new GuaranteedDeliveryThreadDelegate();
var thread = new Thread(() => GuaranteedDeliveryThread.ThreadMethod(_guaranteedDeliveryThreadDelegate));
thread.Start();
logger.PushInfoWithTime("Guaranteed Delivery Thread Started.");
}
catch (Exception ex)
{
throw new Exception("Guaranteed Delivery Thread Initialization Failed.", ex);
}
logger.LogExecutionComplete(0);
}
