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 SimpleTestMethod()
{
Cdp.TryStaticInit(Cdp.MaxPayloadWithIDOverUdp);
VirtualDatagramTransmitter transmitter = new VirtualDatagramTransmitter();
transmitter.Print(Console.Out);
byte[] sendBuffer = new Byte[] { 0, 1, 2, 3, 4 };
byte[] receiveBuffer;
Int32 length;
//
// Send Buffer
//
transmitter.Send(sendBuffer, 0, (UInt32)sendBuffer.Length);
Assert.AreEqual(1, transmitter.DatagramsInSendQueue);
//
// Receive Buffer
//
receiveBuffer = new Byte[sendBuffer.Length];
length = transmitter.otherTransmitter.ReceiveNonBlocking(receiveBuffer, 0, (UInt32)receiveBuffer.Length);
Assert.AreEqual(sendBuffer.Length, length);
Assert.AreEqual(0, transmitter.DatagramsInSendQueue);
CdpTest.AssertEqual(sendBuffer, receiveBuffer);
length = transmitter.otherTransmitter.ReceiveNonBlocking(receiveBuffer, 0, (UInt32)sendBuffer.Length);
Assert.AreEqual(-1, length);
//
// Send the buffer 5 times
//
for (int i = 0; i < 5; i++)
{
sendBuffer[0] = (Byte)i;
transmitter.Send(sendBuffer, 0, (UInt32)sendBuffer.Length);
Assert.AreEqual(i + 1, transmitter.DatagramsInSendQueue);
}
transmitter.Print(Console.Out);
for (int i = 0; i < 5; i++)
{
Console.WriteLine("Receiving datagram {0}", i + 1);
receiveBuffer = new Byte[sendBuffer.Length];
length = transmitter.otherTransmitter.ReceiveNonBlocking(receiveBuffer, 0, (UInt32)receiveBuffer.Length);
Assert.AreEqual(sendBuffer.Length, length);
Assert.AreEqual(4 - i, transmitter.DatagramsInSendQueue);
sendBuffer[0] = (Byte)i;
CdpTest.AssertEqual(sendBuffer, receiveBuffer);
}
length = transmitter.otherTransmitter.ReceiveNonBlocking(receiveBuffer, 0, (UInt32)sendBuffer.Length);
Assert.AreEqual(-1, length);
}
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)");
}
}