public void Test_NIC_ComplexMmf_Write10Messages_DelayedRead_DataLoss()
{
string TEST_IPC_TYPE = "TEST_IPC_TYPE_" + Guid.NewGuid().ToString();
Niawa.IpcController.MmfWriter writer = new IpcController.MmfWriter(TEST_IPC_TYPE, TEST_BUFFER_LENGTH, _utilsBus, false);
Niawa.IpcController.MmfReader reader = new IpcController.MmfReader(TEST_IPC_TYPE, TEST_BUFFER_LENGTH, _utilsBus, false);
SortedList<int, Niawa.IpcController.NiawaMmfContainer> sourceMessages = new SortedList<int, Niawa.IpcController.NiawaMmfContainer>();
SortedList<int, Niawa.IpcController.NiawaMmfContainer> readMessages = new SortedList<int, Niawa.IpcController.NiawaMmfContainer>();
writer.StartWriting();
System.Threading.Thread.Sleep(100);
//assertion
Assert.AreEqual(0, reader.CountMessagesInBuffer(), "Count of messages in buffer expected to be zero before writing message");
//write some data
int ix = 0;
while (ix < 10)
{
ix++;
System.Diagnostics.Debug.WriteLine("Writing message " + ix);
Niawa.IpcController.NiawaMmfContainer msg = new IpcController.NiawaMmfContainer(DateTime.Now, TEST_IPC_TYPE, "test data " + ix);
sourceMessages.Add(ix, msg);
writer.WriteData(msg);
}
//wait for messages to be written
int ixWriteTimeout = 75;
while (writer.CountMessagesInSendQueue() != 0 && ixWriteTimeout > 0)
{
ixWriteTimeout--;
System.Diagnostics.Debug.WriteLine("Writing messages " + writer.CountMessagesInSendQueue() + " remaining timeout " + ixWriteTimeout);
System.Threading.Thread.Sleep(100);
}
reader.StartListening();
//wait for messages
int ixTimeout = 75;
int ixCountMessages = 0;
while ((ixCountMessages = reader.CountMessagesInBuffer()) != 1 && ixTimeout > 0)
{
ixTimeout--;
System.Diagnostics.Debug.WriteLine("Waiting for messages currently " + ixCountMessages + " timeout " + ixTimeout);
System.Threading.Thread.Sleep(100);
}
//assertion
Assert.AreEqual(1, reader.CountMessagesInBuffer(), "Count of messages in buffer did not match expectations after writing messages");
//get messages
int ixRead = 0;
while (reader.CountMessagesInBuffer() != 0)
{
ixRead++;
System.Diagnostics.Debug.WriteLine("Reading message " + ixRead);
Niawa.IpcController.NiawaMmfContainer msgNew = reader.GetNextMessageFromBuffer();
readMessages.Add(ixRead, msgNew);
}
//compare read and written messages
foreach (KeyValuePair<int, Niawa.IpcController.NiawaMmfContainer> kvp in sourceMessages)
{
//skip first 9 messages
if (kvp.Key > 9)
{
//get source messages
if (readMessages.ContainsKey(kvp.Key - 9))
{
Niawa.IpcController.NiawaMmfContainer msg = kvp.Value;
Niawa.IpcController.NiawaMmfContainer msgNew = readMessages[kvp.Key - 9];
//assertions
Assert.AreEqual(msg.IpcData, msgNew.IpcData, "Message [" + kvp.Key + "] received from buffer doesn't have the same IpcData");
Assert.AreEqual(msg.IpcType, msgNew.IpcType, "Message [" + kvp.Key + "] received from buffer doesn't have the same IpcType");
Assert.AreEqual(msg.RefreshedDate, msgNew.RefreshedDate, "Message [" + kvp.Key + "] received from buffer doesn't have the same RefreshedDate");
Assert.AreEqual(msg.SerialID, msgNew.SerialID, "Message [" + kvp.Key + "] received from buffer doesn't have the same SerialID");
Assert.AreEqual(msg.ToString(), msgNew.ToString(), "Message [" + kvp.Key + "] received from buffer doesn't have the same ToString value");
}
else
{
Assert.Fail("Received messages array does not include source message " + kvp.Key);
}
}
else
{
//skip - was overwritten
}
}
reader.StopListening(true);
writer.StopWriting(true);
}
public void Test_NIC_MBW_WriteData()
{
string TEST_IPC_TYPE = "TEST_IPC_TYPE_" + Guid.NewGuid().ToString();
Niawa.IpcController.MmfBufferedWriter writer = new IpcController.MmfBufferedWriter(TEST_IPC_TYPE, TEST_BUFFER_LENGTH, _utilsBus, false);
Niawa.IpcController.MmfBufferedReader reader = new IpcController.MmfBufferedReader(TEST_IPC_TYPE, TEST_BUFFER_LENGTH, _utilsBus, false);
writer.StartWriting();
reader.StartListening();
System.Threading.Thread.Sleep(100);
//assertion
Assert.AreEqual(0, reader.CountMessagesInBuffer(), "Count of messages in buffer expected to be zero before writing message");
//write some data
Niawa.IpcController.NiawaMmfContainer msg = new IpcController.NiawaMmfContainer(DateTime.Now, TEST_IPC_TYPE, "test data");
writer.WriteData(msg);
System.Threading.Thread.Sleep(500);
//assertion
Assert.AreEqual(1, reader.CountMessagesInBuffer(), "Count of messages in buffer expected to be 1 after writing message");
//retrieve message
Niawa.IpcController.NiawaMmfContainer msgNew = reader.GetNextMessageFromBuffer();
//assertion
Assert.AreEqual(0, reader.CountMessagesInBuffer(), "Count of messages in buffer expected to be zero after reading message");
//assertion
Assert.AreEqual(msg.IpcData, msgNew.IpcData, "Message received from buffer doesn't have the same IpcData");
Assert.AreEqual(msg.IpcType, msgNew.IpcType, "Message received from buffer doesn't have the same IpcType");
Assert.AreEqual(msg.RefreshedDate, msgNew.RefreshedDate, "Message received from buffer doesn't have the same RefreshedDate");
Assert.AreEqual(msg.SerialID, msgNew.SerialID, "Message received from buffer doesn't have the same SerialID");
Assert.AreEqual(msg.ToString(), msgNew.ToString(), "Message received from buffer doesn't have the same ToString value");
reader.StopListening(true);
writer.StopWriting(true);
}
public void Test_NIC_ComplexMmf_Write150Messages_ConcurrentRead()
{
string TEST_IPC_TYPE = "TEST_IPC_TYPE_" + Guid.NewGuid().ToString();
Niawa.IpcController.MmfWriter writer = new IpcController.MmfWriter(TEST_IPC_TYPE, TEST_BUFFER_LENGTH, _utilsBus, false);
Niawa.IpcController.MmfReader reader = new IpcController.MmfReader(TEST_IPC_TYPE, TEST_BUFFER_LENGTH, _utilsBus, false);
SortedList<int, Niawa.IpcController.NiawaMmfContainer> sourceMessages = new SortedList<int, Niawa.IpcController.NiawaMmfContainer>();
SortedList<int, Niawa.IpcController.NiawaMmfContainer> readMessages = new SortedList<int, Niawa.IpcController.NiawaMmfContainer>();
writer.StartWriting();
reader.StartListening();
System.Threading.Thread.Sleep(100);
//assertion
Assert.AreEqual(0, reader.CountMessagesInBuffer(), "Count of messages in buffer expected to be zero before writing message");
//write some data
int ix = 0;
int sleepOffset = 1000;
while (ix < 150)
{
ix++;
System.Diagnostics.Debug.WriteLine("Writing message " + ix);
Niawa.IpcController.NiawaMmfContainer msg = new IpcController.NiawaMmfContainer(DateTime.Now, TEST_IPC_TYPE, "test data " + ix);
sourceMessages.Add(ix, msg);
writer.WriteData(msg);
//no buffer, so sensitive to losing data. start up slowly
System.Threading.Thread.Sleep(50 + sleepOffset);
if (sleepOffset > 0) sleepOffset = sleepOffset - 100;
if (sleepOffset < 0) sleepOffset = 0;
}
//wait for messages
int ixTimeout = 200;
int ixCountMessages = 0;
while ((ixCountMessages = reader.CountMessagesInBuffer()) < 50 && ixTimeout > 0)
{
ixTimeout--;
System.Diagnostics.Debug.WriteLine("Waiting for messages currently " + ixCountMessages + " timeout " + ixTimeout);
System.Threading.Thread.Sleep(100);
}
//get messages
int ixRead = 0;
int ixReadTimeout = 400;
while ((reader.CountMessagesInBuffer() != 0 || ixRead != 150) && ixReadTimeout > 0)
{
ixReadTimeout--;
if (reader.CountMessagesInBuffer() != 0)
{
ixRead++;
System.Diagnostics.Debug.WriteLine("Reading message " + ixRead);
Niawa.IpcController.NiawaMmfContainer msgNew = reader.GetNextMessageFromBuffer();
readMessages.Add(ixRead, msgNew);
}
else
{
System.Diagnostics.Debug.WriteLine("Waiting for read to complete " + ixRead + " timeout " + ixReadTimeout);
System.Threading.Thread.Sleep(100);
}
}
//compare read and written messages
foreach (KeyValuePair<int, Niawa.IpcController.NiawaMmfContainer> kvp in sourceMessages)
{
//get source messages
if (readMessages.ContainsKey(kvp.Key))
{
Niawa.IpcController.NiawaMmfContainer msg = kvp.Value;
Niawa.IpcController.NiawaMmfContainer msgNew = readMessages[kvp.Key];
//assertions
Assert.AreEqual(msg.IpcData, msgNew.IpcData, "Message [" + kvp.Key + "] received from buffer doesn't have the same IpcData");
Assert.AreEqual(msg.IpcType, msgNew.IpcType, "Message [" + kvp.Key + "] received from buffer doesn't have the same IpcType");
Assert.AreEqual(msg.RefreshedDate, msgNew.RefreshedDate, "Message [" + kvp.Key + "] received from buffer doesn't have the same RefreshedDate");
Assert.AreEqual(msg.SerialID, msgNew.SerialID, "Message [" + kvp.Key + "] received from buffer doesn't have the same SerialID");
Assert.AreEqual(msg.ToString(), msgNew.ToString(), "Message [" + kvp.Key + "] received from buffer doesn't have the same ToString value");
}
else
{
Assert.Fail("Received messages array does not include source message " + kvp.Key);
}
}
//assertion
Assert.AreEqual(150, readMessages.Count, "Count of messages in read queue did not match expectations after writing messages");
reader.StopListening(true);
writer.StopWriting(true);
}