private static void Main(string[] args)
{
// Are we running yet?
if (!SystemSettings.DatabaseInitialized)
{
// will restart the service every 15s until db initialized on OOBE
// also, the read of DatabaseInitialized can and will fail if
// we're not initalized enough to even have a database
throw new InvalidOperationException();
}
// Checking for schemata upgrade first of all, after seeing that db exists
int startupDbVersion = Database.SwarmDb.DbVersion;
DatabaseMaintenance.UpgradeSchemata();
testMode = false;
SystemSettings.BackendHostname = Dns.GetHostName();
// Other one-time initializations
FinancialTransactions.FixAllUnsequenced();
SupportFunctions.OperatingTopology = OperatingTopology.Backend;
// Begin main loop
UnixSignal[] killSignals = null;
if (!Debugger.IsAttached)
{
killSignals = new UnixSignal[] { new UnixSignal(Signum.SIGINT), new UnixSignal(Signum.SIGTERM) };
}
BotLog.Write(0, "MainCycle", string.Empty);
BotLog.Write(0, "MainCycle", "-----------------------------------------------");
BotLog.Write(0, "MainCycle", string.Empty);
if (args.Length > 0)
{
if (args[0].ToLower() == "test")
{
/*
* BotLog.Write(0, "MainCycle", "Running self-tests");
* HeartBeater.Instance.Beat(heartbeatFile); // Otherwise Heartbeater.Beat() will fail in various places
*
* testMode = true;
* Console.WriteLine("Testing All Maintenance Processes (except membership-changing ones).");
* PWLog.Write(PWLogItem.None, 0, PWLogAction.SystemTest, string.Empty, string.Empty);
*
* Console.WriteLine("\r\n10-second intervals:");
* OnEveryTenSeconds();
* Console.WriteLine("\r\nEvery minute:");
* OnEveryMinute();
* Console.WriteLine("\r\nEvery five minutes:");
* OnEveryFiveMinutes();
* Console.WriteLine("\r\nEvery hour:");
* OnEveryHour();
* Console.WriteLine("\r\nNoon:");
* OnNoon();
* Console.WriteLine("\r\nMidnight:");
* OnMidnight();
*/
Console.WriteLine("Testing database access...");
Console.WriteLine(SwarmDb.GetDatabaseForReading().GetPerson(1).Name);
Console.WriteLine(SwarmDb.GetDatabaseForReading().GetPerson(1).PasswordHash);
Console.WriteLine("Creating OutboundComm...");
OutboundComm.CreateNotification(null, NotificationResource.System_Startup_Backend);
Console.WriteLine("Transmitting...");
OutboundComms comms = OutboundComms.GetOpen();
Console.WriteLine("{0} open items in outbound comms.", comms.Count);
foreach (OutboundComm comm in comms)
{
if (comm.TransmitterClass != "Swarmops.Utility.Communications.CommsTransmitterMail")
{
throw new NotImplementedException();
}
ICommsTransmitter transmitter = new CommsTransmitterMail();
OutboundCommRecipients recipients = comm.Recipients;
PayloadEnvelope envelope = PayloadEnvelope.FromXml(comm.PayloadXml);
foreach (OutboundCommRecipient recipient in recipients)
{
transmitter.Transmit(envelope, recipient.Person);
}
}
Console.Write("\r\nAll tests run. Waiting for mail queue to flush... ");
while (!MailTransmitter.CanExit)
{
Thread.Sleep(50);
}
Console.WriteLine("done.");
BotLog.Write(0, "MainCycle", "Exiting self-tests");
return;
}
if (args[0].ToLower() == "console")
{
Console.WriteLine("\r\nRunning Swarmops-Backend in CONSOLE mode.\r\n");
// -------------------------------------------------------------------------------------
// -------------------------------------------------------------------------------------
// -------------------------------------------------------------------------------------
// ----------------------- INSERT ANY ONE-OFF ACTIONS HERE -------------------------
Console.Write("\r\nWaiting for mail queue to flush... ");
while (!MailTransmitter.CanExit)
{
Thread.Sleep(50);
}
Console.WriteLine("done.");
return;
}
if (args[0].ToLowerInvariant() == "pdfregen")
{
if (args.Length > 1)
{
int docId = Int32.Parse(args[1]);
PdfProcessor.Rerasterize(Document.FromIdentity(docId));
}
else
{
Console.WriteLine("Regenerating all bitmaps from PDF uploads.");
PdfProcessor.RerasterizeAll();
Console.WriteLine("Done.");
}
return;
}
if (args[0].ToLower() == "rsm")
{
Console.WriteLine("Testing character encoding: räksmörgås RÄKSMÖRGÅS");
return;
}
}
/*
* MailMessage message = new MailMessage();
* message.From = new MailAddress(Strings.MailSenderAddress, Strings.MailSenderName);
* message.To.Add (new MailAddress ("*****@*****.**", "Rick Falkvinge (Piratpartiet)"));
* message.Subject = "Räksmörgåsarnas ékÖNÖMÏåvdëlnïng";
* message.Body = "Hejsan hoppsan Räksmörgåsar.";
* message.BodyEncoding = Encoding.Default;
* message.SubjectEncoding = Encoding.Default;
*
* SmtpClient smtpClient = new SmtpClient ("localhost");
* smtpClient.Credentials = null; // mono bug
* smtpClient.Send (message);*/
Console.WriteLine(" * Swarmops Backend starting");
BotLog.Write(0, "MainCycle", "Backend STARTING");
// Disable certificate checking due to Mono not installing with a certificate repository - this is UTTERLY broken
SupportFunctions.DisableSslCertificateChecks(); // MONO BUG/MISFEATURE: Mono has no root certificates, so can't verify cert
// Tell sysop we're starting
OutboundComm.CreateNotification(null, NotificationResource.System_Startup_Backend);
// Check for existence of installation ID. If not, create one. Warning: has privacy implications when communicated.
if (Persistence.Key["SwarmopsInstallationId"] == string.Empty)
{
Persistence.Key["SwarmopsInstallationId"] = Guid.NewGuid().ToString();
}
// Check for existence of bitcoin hotwallet root
BitcoinUtility.VerifyBitcoinHotWallet();
// Initialize backend socket server
int backendSocketPort = SystemSettings.WebsocketPortBackend;
_socketServer = new WebSocketServer(backendSocketPort);
_socketServer.AddWebSocketService <BackendServices>("/Backend");
_socketServer.Start();
// Initialize socket client to Blockchain.Info (pending our own services)
using (
_blockChainInfoSocket =
new WebSocket("wss://ws.blockchain.info/inv?api_code=" + SystemSettings.BlockchainSwarmopsApiKey))
{
// Begin maintenance loop
DateTime cycleStartTime = DateTime.UtcNow;
DateTime cycleEndTime;
int lastSecond = cycleStartTime.Second;
int lastMinute = cycleStartTime.Minute;
int lastHour = cycleStartTime.Hour;
bool exitFlag = false;
_blockChainInfoSocket.OnOpen += new EventHandler(OnBlockchainOpen);
_blockChainInfoSocket.OnError += new EventHandler <ErrorEventArgs>(OnBlockchainError);
_blockChainInfoSocket.OnClose += new EventHandler <CloseEventArgs>(OnBlockchainClose);
_blockChainInfoSocket.OnMessage += new EventHandler <MessageEventArgs>(OnBlockchainMessage);
_blockChainInfoSocket.Connect();
while (!exitFlag) // exit is handled by signals handling at end of loop
{
BotLog.Write(0, "MainCycle", "Cycle Start");
cycleStartTime = DateTime.UtcNow;
cycleEndTime = cycleStartTime.AddSeconds(10);
try
{
OnEveryTenSeconds();
if (cycleStartTime.Second < lastSecond)
{
OnEveryMinute();
if (cycleStartTime.Minute % 5 == 0)
{
OnEveryFiveMinutes();
}
}
if (cycleStartTime.Minute < lastMinute)
{
OnEveryHour();
if (DateTime.Now.Hour == 10 && DateTime.Today.DayOfWeek == DayOfWeek.Tuesday)
{
OnTuesdayMorning();
}
if (DateTime.Now.Hour == 7 && DateTime.Today.DayOfWeek == DayOfWeek.Monday)
{
OnMondayMorning();
}
}
if (cycleStartTime.Hour >= 12 && lastHour < 12)
{
OnNoon();
}
if (cycleStartTime.Hour < lastHour)
{
OnMidnight();
}
}
catch (Exception e)
{
// Note each "OnEvery..." catches its own errors and sends Exception mails,
// so that failure in one should not stop the others from running. This particular
// code should never run.
ExceptionMail.Send(new Exception("Failed in swarmops-backend main loop", e), true);
}
lastSecond = cycleStartTime.Second;
lastMinute = cycleStartTime.Minute;
lastHour = cycleStartTime.Hour;
// Wait for a maximum of ten seconds (the difference between cycleStartTime and cycleEndTime)
int iterationCount = 0;
DateTime utcNow = DateTime.UtcNow;
while (utcNow < cycleEndTime && !exitFlag)
{
int signalIndex = 250;
// Handle important service orders (those that can't be lost in a random loss
// of connection of a socket):
BackendServiceOrders backendOrders = BackendServiceOrders.GetNextBatch(5);
backendOrders.Execute(); // takes at most 250ms per BSO reqs
// Block until a SIGINT or SIGTERM signal is generated, or 1/4 second has passed.
// However, we can't do that in a development environment - it won't have the
// Mono.Posix assembly, and won't understand UnixSignals. So people running this in
// a dev environment will need to stop it manually.
if (!Debugger.IsAttached)
{
signalIndex = UnixSignal.WaitAny(killSignals, 250);
}
else
{
TimeSpan timeLeft = (cycleEndTime - utcNow);
BotLog.Write(0, "MainCycle Debug",
string.Format(CultureInfo.InvariantCulture,
"Waiting for {0:F2} more seconds for cycle end",
timeLeft.TotalMilliseconds / 1000.0));
Thread.Sleep(250);
}
if (signalIndex < 250)
{
exitFlag = true;
Console.WriteLine("Caught signal " + killSignals[signalIndex].Signum + ", exiting");
BotLog.Write(0, "MainCycle",
"EXIT SIGNAL (" + killSignals[signalIndex].Signum + "), terminating backend");
}
utcNow = DateTime.UtcNow;
// Every second, send an internal heartbeat
if (iterationCount++ % 4 == 0)
{
InternalHeartbeat();
}
}
}
}
Console.WriteLine(" * Swarmops Backend stopping");
BotLog.Write(0, "MainCycle", "BACKEND EXITING, sending backend-termination notices");
/*
* if (HeartBeater.Instance.WasKilled)
* {
* // removed unconditional delete, cron job that restarts bot uses it to know that it is intentionally down.
* ExceptionMail.Send(new Exception("HeartBeater triggered restart of Swarmops Backend. Will commence after 800 seconds."), false);
* }*/
BotLog.Write(0, "MainCycle", "...done");
/*
* while (!MailTransmitter.CanExit)
* {
* System.Threading.Thread.Sleep(50);
* }*/
_socketServer.Stop();
Thread.Sleep(2000);
}