public void TestResendsAfterLosingAcks()
{
Cdp.TryStaticInit(Cdp.MaxPayloadWithIDOverUdp);
IPEndPoint serverEndPoint = new IPEndPoint(IPAddress.Loopback, testUdpPort);
FixedRetryTimeout timeout = new FixedRetryTimeout(100, 6);
using (TestServerWrapper server = new TestServerWrapper(serverEndPoint, timeout))
{
Cdp.TryStaticInit(Cdp.MaxPayloadWithIDOverUdp);
//
//
//
UdpConnectedClientTransmitter udpTransmitter = new UdpConnectedClientTransmitter(serverEndPoint);
ClumsyTransmitter clumsyTransmitter = new ClumsyTransmitter(udpTransmitter, Console.Out);
CdpTransmitter transmitter = new CdpTransmitter(clumsyTransmitter);
Int64 startTicks = Stopwatch.GetTimestamp();
Console.WriteLine("[Sender {0} millis] Sending...", (Stopwatch.GetTimestamp() - startTicks).StopwatchTicksAsInt64Milliseconds());
UInt32 offset;
Byte[] datagram = transmitter.RequestSendBuffer(10, out offset);
for (Byte i = 0; i < 10; i++)
{
datagram[offset++] = (Byte)('A' + i);
}
clumsyTransmitter.DropAllReceivedDatagramsForTheNext(400);
transmitter.ControllerSendPayloadWithAck(offset, timeout);
server.TestSucceeded();
}
}
public void TestMethod1()
{
Cdp.TryStaticInit(Cdp.MaxPayloadWithIDOverUdp);
IPEndPoint serverEndPoint = new IPEndPoint(IPAddress.Loopback, testUdpPort);
FixedRetryTimeout timeout = new FixedRetryTimeout(500, 6);
using (TestServerWrapper server = new TestServerWrapper(serverEndPoint, timeout))
{
UdpConnectedClientTransmitter udpTransmitter = new UdpConnectedClientTransmitter(serverEndPoint);
CdpTransmitter transmitter = new CdpTransmitter(udpTransmitter);
UInt32 offset;
Byte[] myMessage;
Byte[] payloadBuffer;
//
// Send and wait for ack
//
myMessage = Encoding.UTF8.GetBytes("This should be a normal payload with an immediate ack");
payloadBuffer = transmitter.RequestSendBuffer((UInt32)myMessage.Length, out offset);
Array.Copy(myMessage, 0, payloadBuffer, offset, myMessage.Length);
offset += (UInt32)myMessage.Length;
Console.WriteLine("[Client] Sending Payload With Ack...");
transmitter.ControllerSendPayloadWithAck(offset, timeout);
//
// Send heartbeat
//
Console.WriteLine("[Client] Sending Heartbeat...");
transmitter.SendHearbeat();
//
// Send Random Payload
//
myMessage = Encoding.UTF8.GetBytes("This should be a random payload");
payloadBuffer = transmitter.RequestSendBuffer((UInt32)myMessage.Length, out offset);
Array.Copy(myMessage, 0, payloadBuffer, offset, myMessage.Length);
offset += (UInt32)myMessage.Length;
Console.WriteLine("[Client] Sending Random Payload...");
transmitter.ControllerSendRandomPayload(offset);
//
// Send Payload no ack
//
myMessage = Encoding.UTF8.GetBytes("This should be the first payload with no immediate ack");
payloadBuffer = transmitter.RequestSendBuffer((UInt32)myMessage.Length, out offset);
Array.Copy(myMessage, 0, payloadBuffer, offset, myMessage.Length);
offset += (UInt32)myMessage.Length;
Console.WriteLine("[Client] Sending Payload No Ack...");
transmitter.ControllerSendPayloadNoAck(offset);
//
// Send Payload no ack
//
myMessage = Encoding.UTF8.GetBytes("This should be the second payload with no immediate ack");
payloadBuffer = transmitter.RequestSendBuffer((UInt32)myMessage.Length, out offset);
Array.Copy(myMessage, 0, payloadBuffer, offset, myMessage.Length);
offset += (UInt32)myMessage.Length;
Console.WriteLine("[Client] Sending Payload No Ack...");
transmitter.ControllerSendPayloadNoAck(offset);
//
// Send and wait for ack
//
myMessage = Encoding.UTF8.GetBytes("This should be a normal payload with an immediate ack");
payloadBuffer = transmitter.RequestSendBuffer((UInt32)myMessage.Length, out offset);
Array.Copy(myMessage, 0, payloadBuffer, offset, myMessage.Length);
offset += (UInt32)myMessage.Length;
Console.WriteLine("[Client] Sending Payload With Ack...");
transmitter.ControllerSendPayloadWithAck(offset, timeout);
//
// Send Halt
//
Console.WriteLine("[Client] Sending Halt...");
transmitter.SendHaltNoPayload();
server.TestSucceeded();
Console.WriteLine("[Client] Done (Success)");
}
}
static Int32 Main(string[] args)
{
CdpCatOptions optionsParser = new CdpCatOptions();
if (args.Length <= 0)
{
optionsParser.PrintUsage();
return(-1);
}
List <String> nonOptionArgs = optionsParser.Parse(args);
Cdp.StaticInit(optionsParser.maxPayload.ArgValue);
ICdpTimeout timeout = new MyCdpTimeout();
if (optionsParser.listenPort.set)
{
IPEndPoint localEndPoint = new IPEndPoint(IPAddress.Any, optionsParser.listenPort.ArgValue);
MyCdpServer cdpServer = new MyCdpServer();
Socket udpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
Cdp.UdpServerLoop(cdpServer, udpSocket, localEndPoint, new Byte[optionsParser.maxPayload.ArgValue], timeout);
return(-1);
}
else
{
if (nonOptionArgs.Count < 2)
{
Console.WriteLine("Missing command line arguments");
optionsParser.PrintUsage();
return(-1);
}
UInt16 port = UInt16.Parse(nonOptionArgs[1]);
EndPoint serverEndPoint = new IPEndPoint(EndPoints.ParseIPOrResolveHost(nonOptionArgs[0], DnsPriority.IPv4ThenIPv6), port);
UdpConnectedClientTransmitter udpTransmitter = new UdpConnectedClientTransmitter(serverEndPoint);
CdpTransmitter transmitter = new CdpTransmitter(udpTransmitter);
UInt32 offset;
Byte[] myMessage;
Byte[] payloadBuffer;
transmitter.SendHearbeat();
myMessage = Encoding.UTF8.GetBytes("This should be a random payload");
payloadBuffer = transmitter.RequestSendBuffer((UInt32)myMessage.Length, out offset);
Array.Copy(myMessage, 0, payloadBuffer, offset, myMessage.Length);
transmitter.ControllerSendRandomPayload(offset + (UInt32)myMessage.Length);
myMessage = Encoding.UTF8.GetBytes("This should be the first payload with no immediate ack");
payloadBuffer = transmitter.RequestSendBuffer((UInt32)myMessage.Length, out offset);
Array.Copy(myMessage, 0, payloadBuffer, offset, (UInt32)myMessage.Length);
transmitter.ControllerSendPayloadNoAck(offset + (UInt32)myMessage.Length);
myMessage = Encoding.UTF8.GetBytes("This should be the second payload with no immediate ack");
payloadBuffer = transmitter.RequestSendBuffer((UInt32)myMessage.Length, out offset);
Array.Copy(myMessage, 0, payloadBuffer, offset, (UInt32)myMessage.Length);
transmitter.ControllerSendPayloadNoAck(offset + (UInt32)myMessage.Length);
//
// Send and wait for ack
//
myMessage = Encoding.UTF8.GetBytes("This should be a normal payload with an immediate ack");
payloadBuffer = transmitter.RequestSendBuffer((UInt32)myMessage.Length, out offset);
Array.Copy(myMessage, 0, payloadBuffer, offset, myMessage.Length);
offset += (UInt32)myMessage.Length;
transmitter.ControllerSendPayloadWithAck(offset, timeout);
transmitter.SendHaltNoPayload();
return(0);
}
}