public async Task OpenAsync()
{
await ExecuteRetryPolicy();
subscriptions.Clear();
if (channel != null)
{
try
{
channel.Dispose();
channel = null;
client = null;
logger?.LogDebug("Disposed internal channel.");
}
catch (Exception ex)
{
logger?.LogError(ex, "Fault disposing internal channel.");
}
}
try
{
channel = new WebSocketClientChannel(endpointUrl, securityToken, "mqtt", new WebSocketConfig(),
CancellationToken.None);
client = new PiraeusMqttClient(new MqttConfig(180), channel);
client.OnChannelError += Client_OnChannelError;
client.OnChannelStateChange += Client_OnChannelStateChange;
string sessionId = Guid.NewGuid().ToString();
ConnectAckCode code = await client.ConnectAsync(sessionId, "JWT", securityToken, 180);
if (code != ConnectAckCode.ConnectionAccepted)
{
logger?.LogWarning($"Vrtu channel connect return code = '{code}'.");
OnError.Invoke(this,
new ChannelErrorEventArgs(channel.Id,
new Exception($"VRtu channel failed to open with code = {code}")));
}
else
{
logger?.LogInformation("Vrtu channel connected.");
try
{
diag = new DiagnosticsChannel(config, client, logger);
diag.StartAsync().GetAwaiter();
}
catch (Exception ex)
{
diag = null;
logger?.LogError(ex, "Diagnostics on Vrtu channel faulted.");
}
}
}
catch (Exception ex)
{
logger?.LogError(ex, "Fault opening MQTT client channel.");
}
}
public async Task OpenAsync()
{
await ExecuteRetryPolicy();
subscriptions.Clear();
if (channel != null)
{
try
{
channel.Dispose();
channel = null;
client = null;
logger?.LogDebug("Disposed internal channel.");
}
catch (Exception ex)
{
logger?.LogError(ex, "Fault disposing internal channel.");
}
}
try
{
channel = new WebSocketClientChannel(endpointUrl, securityToken, "mqtt", new WebSocketConfig(), CancellationToken.None);
client = new PiraeusMqttClient(new MqttConfig(180), channel);
client.OnChannelError += Client_OnChannelError;
client.OnChannelStateChange += Client_OnChannelStateChange;
string sessionId = Guid.NewGuid().ToString();
ConnectAckCode code = await client.ConnectAsync(sessionId, "JWT", securityToken, 180);
if (code != ConnectAckCode.ConnectionAccepted)
{
logger?.LogWarning($"Module client connect return code = '{code}'.");
OnError?.Invoke(this, new ChannelErrorEventArgs(channel.Id, new Exception($"Module channel failed to open with code = {code}")));
}
else
{
logger?.LogInformation("Module client connected.");
foreach (var slave in config.Slaves)
{
string inputPiSystem = UriGenerator.GetRtuPiSystem(config.Hostname, config.VirtualRtuId, config.DeviceId, slave.UnitId, true);
await client.SubscribeAsync(inputPiSystem, QualityOfServiceLevelType.AtMostOnce, ModuleReceived);
logger?.LogDebug($"Module client subscribed to '{inputPiSystem}'");
}
try
{
diag = new DiagnosticsChannel(config, client, logger);
diag.StartAsync().GetAwaiter();
}
catch (Exception ex)
{
diag = null;
logger?.LogError(ex, "Diagnostics channel faulted.");
}
}
}
catch (Exception ex)
{
logger?.LogError(ex, "Fault opening module channel.");
}
}
