public async Task PublishOutput(MbapHeader header)
{
if (!NativeEnabled && !AppInsightsEnabled)
{
return;
}
if (cache.Contains(header.TransactionId.ToString()))
{
long ticks = cache.Get <long>(header.TransactionId.ToString());
cache.Remove(header.TransactionId.ToString());
TimeSpan ts = TimeSpan.FromTicks(DateTime.Now.Ticks - ticks);
DiagnosticsEvent telem = new DiagnosticsEvent(name, header.UnitId, header.TransactionId, Math.Round(ts.TotalMilliseconds), DateTime.UtcNow.ToString("dd-MM-yyyyThh:mm:ss.ffff"));
if (NativeEnabled && mqttClient != null && mqttClient.IsConnected)
{
string jsonString = JsonConvert.SerializeObject(telem);
byte[] data = Encoding.UTF8.GetBytes(jsonString);
await mqttClient.PublishAsync(QualityOfServiceLevelType.AtMostOnce, outputPiSystem, "application/json", data);
}
if (AppInsightsEnabled)
{
tclient?.TrackEvent(name, telem.GetEventProperties(), telem.GetEventMetrics());
}
}
}
public void EvictItemAfterTtlExpires()
{
byte[] encryptedKey = { 4, 8, 15, 16, 23, 42 };
LocalCache <byte[], byte[]> cache = new LocalCache <byte[], byte[]>();
cache.TimeToLive = TimeSpan.FromSeconds(1);
cache.GetOrCreate(encryptedKey, createItem);
Assert.Equal(1, cache.Count);
Assert.True(cache.Contains(encryptedKey), "The cache should contain the key.");
Thread.Sleep(1100);
Assert.False(cache.Contains(encryptedKey), "The cache should have expired the key.");
Assert.Equal(0, cache.Count);
public async Task PublishOutput(MbapHeader header, ushort transactionId)
{
if (!NativeEnabled && !AppInsightsEnabled)
{
return;
}
DiagnosticsEvent telem = new DiagnosticsEvent(name, header.UnitId, transactionId, header.TransactionId, DateTime.UtcNow.ToString("dd-MM-yyyyThh:mm:ss.ffff"));
if (NativeEnabled && mqttClient.IsConnected)
{
string jsonString = JsonConvert.SerializeObject(telem);
byte[] msg = Encoding.UTF8.GetBytes(jsonString);
await mqttClient.PublishAsync(SkunkLab.Protocols.Mqtt.QualityOfServiceLevelType.AtMostOnce, outputPiSystem, "application/json", msg);
}
if (AppInsightsEnabled)
{
tclient?.TrackEvent(name, telem.GetEventProperties(), telem.GetEventMetrics());
}
if (cache.Contains(transactionId.ToString()))
{
Tuple <byte, long> tuple = cache.Get <Tuple <byte, long> >(transactionId.ToString());
cache.Remove(transactionId.ToString());
TimeSpan ts = TimeSpan.FromTicks(DateTime.Now.Ticks - tuple.Item2);
DiagnosticsEvent vdts = new DiagnosticsEvent(name, header.UnitId, transactionId, ts.TotalMilliseconds, DateTime.UtcNow.ToString("dd-MM-yyyyThh:mm:ss.ffff"));
if (NativeEnabled && mqttClient != null && mqttClient.IsConnected)
{
string jsonString = JsonConvert.SerializeObject(vdts);
byte[] data = Encoding.UTF8.GetBytes(jsonString);
await mqttClient.PublishAsync(SkunkLab.Protocols.Mqtt.QualityOfServiceLevelType.AtMostOnce, outputPiSystem, "application/json", data);
}
if (AppInsightsEnabled)
{
tclient?.TrackEvent(name, vdts.GetEventProperties(), vdts.GetEventMetrics());
}
}
}
public byte[] MapOut(byte[] message)
{
MbapHeader header = MbapHeader.Decode(message);
string key = GetProxyMap(header.UnitId, header.TransactionId);
if (cache.Contains(key))
{
Tuple <ushort, byte> tuple = (Tuple <ushort, byte>)cache[key];
header.TransactionId = tuple.Item1;
header.UnitId = tuple.Item2;
cache.Remove(key);
byte[] buffer = new byte[message.Length];
byte[] src = header.Encode();
Buffer.BlockCopy(src, 0, buffer, 0, src.Length);
Buffer.BlockCopy(message, src.Length, buffer, src.Length, message.Length - src.Length);
return(buffer);
}
return(null);
}
private void ModbusMessageReceived(string resource, string contentType, byte[] message)
{
try
{
MbapHeader header = MbapHeader.Decode(message);
string key = GetCacheKey(header);
if (cache.Contains(key))
{
cache.Remove(key);
OnReceive?.Invoke(this, new ChannelReceivedEventArgs(channel.Id, message));
logger?.LogDebug("Output channel received message.");
diag?.PublishOutput(header).GetAwaiter();
}
else
{
logger?.LogWarning("Vrtu channel cannot match received message.");
}
}
catch (Exception ex)
{
logger?.LogError(ex, "Fault receiving message on vrtu channel.");
}
}
/// <summary>
/// Determines whether the <see cref="IDictionary"/> object contains
/// an element with the specified key.
/// </summary>
/// <returns>
/// <b>true</b> if the <b>IDictionary</b> contains an element with
/// the key; otherwise, <b>false</b>.
/// </returns>
public virtual bool Contains(object key)
{
return(LocalCache.Contains(key));
}
