public override bool OnStart()
{
// Set the maximum number of concurrent connections
ServicePointManager.DefaultConnectionLimit = 12;
try
{
CreateServiceHost();
LogManager.Log.Info("WCF Services started");
}
catch (Exception ex)
{
LogManager.Log.Error("Exception configuring WCF Services", ex);
using (IOutgoingSmsQueue outgoing = OutgoingSmsQueue.GetInstance())
{
IConfiguration config = Configuration.GetInstance();
outgoing.Send(OutgoingSmsMessage.CreateWithDefaults(config.AdminNumber,
"WCF STARTUP ERROR: " + ex.GetType().FullName),
null,
null);
}
}
return(base.OnStart());
}
public void Run()
{
LogManager.Log.Info("WorkerRole.Run Loop Started");
using (IOutgoingSmsQueue outgoing = OutgoingSmsQueue.GetInstance())
{
outgoing.Send(OutgoingSmsMessage.CreateWithDefaults(_Configuration.AdminNumber,
"WorkerRole.Run Loop Started"),
null,
null);
while (true)
{
// waiting for the queue to drain ensures we won't pick up the same one twice
if (outgoing.Length == 0)
{
IDataStore store = DataStore.GetInstance();
ProcessOutgoingMessages(outgoing, store);
ProcessSubscriptions(outgoing, store);
}
else
{
// there is already a back-log do don't go adding more to it...
Thread.Sleep(5 * 1000);
}
}
}
}
private void ProcessOutgoingMessages(IOutgoingSmsQueue outgoing, IDataStore store)
{
// first check the messages that were never attempted sorted by oldest to newest
IList <OutgoingSmsMessage> messages = store.OutgoingMessages
.Where(m => m.NextAttempt < DateTime.UtcNow)
.OrderBy(m => m.UtcWhenAdded)
.Take(outgoing.MessagesPerMinute)
.ToList();
// queue them
foreach (OutgoingSmsMessage msg in messages)
{
outgoing.Send(msg, MessageSent, MessageSendThrewException);
}
}
private void ProcessOutgoingMessages(IOutgoingSmsQueue outgoing, IDataStore store)
{
// first check the messages that were never attempted sorted by oldest to newest
IList<OutgoingSmsMessage> messages = store.OutgoingMessages
.Where(m => m.NextAttempt < DateTime.UtcNow)
.OrderBy(m => m.UtcWhenAdded)
.Take(outgoing.MessagesPerMinute)
.ToList();
// queue them
foreach (OutgoingSmsMessage msg in messages)
{
outgoing.Send(msg, MessageSent, MessageSendThrewException);
}
}
