internal static void SendSR(object buffer)
{
MessageBuffers workingbuffer = (MessageBuffers)buffer;
while (workingbuffer.Running)
{
DateTimeOffset currentdate = new DateTimeOffset(DateTime.Now);
if (workingbuffer.NextCheckingDate >= currentdate)
{
//Why sleep so long?
//because if we don't sleep, there will be a "Lock" at SRToBeSent
//to check the first SR to be sent
//the "Lock" will block another thread:
// (MT process)
//So if no SR to be sent, we can sleep some time and let MTThread to receive MT...
Thread.Sleep(100);
}
else
{
lock (workingbuffer.SRToBeSent)
{
if (workingbuffer.SRToBeSent.Count > 0)
{
lock (workingbuffer.SRToBeSent.SyncRoot)
{
while (workingbuffer.SRToBeSent.Count > 0)
{
EmiMessage m = workingbuffer.SRToBeSent.Peek() as EmiMessage;
if (m.ExpectedSendDate <= new DateTimeOffset(DateTime.Now))
{
m = workingbuffer.SRToBeSent.Dequeue() as EmiMessage;
lock (workingbuffer.MessageToBeSent)
{
workingbuffer.MessageToBeSent.Enqueue(m);
Monitor.Pulse(workingbuffer.MessageToBeSent);
}
}
else
{
workingbuffer.NextCheckingDate = m.ExpectedSendDate;
break;
}
if (!workingbuffer.Running)
{
return;
}
}
}
}
}
Thread.Sleep(10);
}
}
}
internal static void RunSender(object buffer)
{
MessageBuffers workingbuffer = (MessageBuffers)buffer;
while (workingbuffer.Running)
{
lock (workingbuffer.MessageToBeSent)
{
if (workingbuffer.MessageToBeSent.Count == 0)
{
Monitor.Wait(workingbuffer.MessageToBeSent);
}
while (workingbuffer.MessageToBeSent.Count > 0)
{
EmiMessage message = (EmiMessage)workingbuffer.MessageToBeSent.Dequeue();
AbstractMetadata metadata = null;
if (message.Type == EmiMessageType.MO)
{
metadata = ReferredServer.MOMetadata;
}
else if (message.Type == EmiMessageType.SR)
{
metadata = ReferredServer.SRMetadata;
}
else
{
metadata = ReferredServer.MTMetadata;
}
workingbuffer.Connection.BeginSend(MessageBuffers.StringToByte(message.RAWMessage));
//If HidePingACK is True and MessageType = MT_ACK. do not add to message list.
if (!(ReferredServer.hidePingACK && (message.Type != EmiMessageType.MT_ACK || message.Type != EmiMessageType.PING_ACK)))
{
Message log = message.Message ?? new Message();
log.Metadata = metadata;
log.Title = message.FriendlyMessage;
log.RequestObject = message.EMIProtocolObject;
log.RequestText = message.RAWMessage;
log.Status = MessageStatus.Sent;
log.Tag = message.RAWMessage;
if (message.Message == null)
{
MessageQueue.Add(log);
}
}
}
}
}
}
public void OnConnected(ConnectionEventArgs e)
{
if (e.Connection.Host.HostType == HostType.htServer)
{
connections.Add(e.Connection);
MessageBuffers buffer = new MessageBuffers
{
Connection = e.Connection,
Running = true
};
Buffers.Add(buffer);
e.Connection.BeginReceive();
MessageQueue.Add(new Message()
{
Direction = MessageDirection.None,
Title = string.Format("SMSC (EMI): The client from {0} connected to this server, remote port: {1}", e.Connection.RemoteEndPoint.Address.ToString(), e.Connection.RemoteEndPoint.Port),
Status = MessageStatus.None
});
totalConnections++;
ReferredServer.SendRequestEnabled(true, null);
Thread t = new Thread(RunReceiver)
{
IsBackground = true
};
t.Start(buffer);
Thread t2 = new Thread(RunSender)
{
IsBackground = true
};
t2.Start(buffer);
Thread t3 = new Thread(SendSR)
{
IsBackground = true
};
t3.Start(buffer);
}
else
{
//byte[] b = GetMessage(e.Connection.SocketHandle.ToInt32())
//e.Connection.BeginSend(b)
}
}
internal static void SendMOSRACK(EmiMessage mo, MessageBuffers buffer)
{
if (buffer != null)
{
buffer.MessageToBeSent.Enqueue(mo);
}
else
{
if (Buffers.Count > 0)
{
int c = count % Buffers.Count;
lock (Buffers[c].MessageToBeSent)
{
Buffers[c].MessageToBeSent.Enqueue(mo);
Monitor.Pulse(Buffers[c].MessageToBeSent);
}
count++;
}
}
}
public void RunReceiver(object buffer)
{
MessageBuffers workingbuffer = (MessageBuffers)buffer;
string remoteaddress = workingbuffer.Connection.RemoteEndPoint.Address.ToString();
while (workingbuffer.Running)
{
string msg = workingbuffer.ReadNextMessageIN();
if (!string.IsNullOrEmpty(msg))
{
//Response
EmiProtocol eo;
try
{
eo = new EmiProtocol(msg, ReferredServer);
string operation = eo.OT;
string response = string.Empty;
string SR = string.Empty;
EmiMessageType MTType = EmiMessageType.SYS;
EmiMessage m2 = new EmiMessage();
if (operation != null)
{
if (eo.OT == "51")
{
MTType = EmiMessageType.MT;
if (!workingbuffer.AcceptsMT)
{
response = eo.CreateACK51(false, "07", "Authentication failure");
}
//CHECK IF THE MT IS PING OR ACK?
string MSISDN = eo.AdC;
if (string.IsNullOrEmpty(MSISDN))
{
MTType = EmiMessageType.PING;
m2.Type = EmiMessageType.PING_ACK;
response = eo.CreateACK51(false, "06", "AdC invalid");
}
else
{
//HERE Check The return type
switch (ReferredServer.mtBehavior)
{
case MTBehavior.ACK:
response = eo.CreateACK51(true, string.Empty, string.Empty);
m2.Type = EmiMessageType.MT_ACK;
//CHECK if SR is demanded
if (ReferredServer.srActive)
{
SR = eo.CreateSRForMT(ReferredServer.srDst, ReferredServer.srRsn);
}
else
{
SR = string.Empty;
}
break;
case MTBehavior.NACK:
response = eo.CreateACK51(false, ReferredServer.nackCode.ToString(), string.Empty);
m2.Type = EmiMessageType.MT_NACK;
break;
case MTBehavior.Nothing:
response = string.Empty;
m2.Type = EmiMessageType.SYS;
break;
}
}
}
else if (eo.OT == "52")
{
MTType = EmiMessageType.MO_ACK;
response = string.Empty;
}
else if (eo.OT == "53")
{
MTType = EmiMessageType.SR_ACK;
response = string.Empty;
}
else if (eo.OT == "60")
{
MTType = EmiMessageType.SESSION;
response = eo.CreateACK60(true, string.Empty);
m2.Type = EmiMessageType.SESSION_ACK;
workingbuffer.AcceptsMT = true;
}
//Add MT To Log
EmiMessage m = new EmiMessage
{
Type = MTType,
Direction = MessageDirection.Incoming,
CreateDate = new DateTimeOffset(DateTime.Now),
RAWMessage = msg,
EMIProtocolObject = eo
};
AbstractMetadata metadata = null;
if (m.Type == EmiMessageType.MT)
{
metadata = ReferredServer.MTMetadata;
}
else if (m.Type == EmiMessageType.SESSION)
{
metadata = ReferredServer.SSMetadata;
}
//Do not log if hidePingACK is true and MessageType is Ping or ACK.
if (!(ReferredServer.hidePingACK && (m.Type == EmiMessageType.PING || m.Type == EmiMessageType.MO_ACK || m.Type == EmiMessageType.SR_ACK)))
{
MessageQueue.Add(
new Message()
{
Metadata = ReferredServer.MTMetadata,
Title = m.FriendlyMessage,
Direction = MessageDirection.Incoming,
RequestObject = m.EMIProtocolObject,
RequestText = m.RAWMessage,
Status = MessageStatus.Received,
Tag = m.RAWMessage
});
}
if (response.StartsWith("\x02"))
{
//Add ACK/NACK to buffer:
m2.Direction = 0;
m2.CreateDate = new DateTimeOffset(DateTime.Now);
m2.RAWMessage = response;
m2.EMIProtocolObject = new EmiProtocol(response);
lock (workingbuffer.MessageToBeSent)
{
workingbuffer.MessageToBeSent.Enqueue(m2);
Monitor.Pulse(workingbuffer.MessageToBeSent);
}
if (m2.Type == EmiMessageType.MT_ACK && !string.IsNullOrEmpty(SR))
{
EmiMessage sr = new EmiMessage
{
Type = EmiMessageType.SR,
Direction = 0,
CreateDate = new DateTimeOffset(DateTime.Now).AddSeconds(ReferredServer.srDelay),
RAWMessage = SR,
ExpectedSendDate = new DateTimeOffset(DateTime.Now).AddSeconds(ReferredServer.srDelay),
EMIProtocolObject = new EmiProtocol(SR)
};
//Before we sent SR directly, like this ->
//SendMOSRACK(sr)
//Now we stock the SR to a queue, and there will be a thread who will look this queue.
//With this method, the SR can be sent 5 or 10 seconds later.
workingbuffer.SRToBeSent.Enqueue(sr);
}
}
else
{
//Log that nothing will be replied
/*
* m2.Direction = 0
* m2.CreateDate = new DateTimeOffset(DateTime.Now)
* m2.RAWMessage = "Nothing has been sent for this MT"
* lock(MainPage.Messages){
* MainPage.Messages.Add(m2)
* }
*/
}
Thread.Sleep(10);
}
}
catch
{
//EMIProtocol is not valid
}
}
else
{
Thread.Sleep(100); //If there is no MT to receive, sleep 10 milliseconds
}
}
MessageQueue.Add(new Message()
{
Direction = MessageDirection.None,
Status = MessageStatus.Received,
Title = string.Format("SMSC: The client from {0} disconnected from this SMS Center", remoteaddress),
});
connections.Remove(workingbuffer.Connection);
Buffers.Remove(workingbuffer);
}