public ModuleClient(ISdkModuleClient inner, TimeSpan idleTimeout, bool closeOnIdleTimeout, UpstreamProtocol protocol)
{
this.inner = Preconditions.CheckNotNull(inner, nameof(inner));
this.UpstreamProtocol = protocol;
this.inactivityTimer = new ResettableTimer(this.CloseOnInactivity, idleTimeout, Events.Log, closeOnIdleTimeout);
this.inactivityTimer.Start();
}
public async Task <IModuleClient> Create(ConnectionStatusChangesHandler statusChangedHandler)
{
ISdkModuleClient sdkModuleClient = await this.CreateSdkModuleClientWithRetry(statusChangedHandler);
IModuleClient moduleClient = new ModuleClient(sdkModuleClient, this.idleTimeout, this.closeOnIdleTimeout);
return(moduleClient);
}
async Task <ISdkModuleClient> CreateSdkModuleClientWithRetry(ConnectionStatusChangesHandler statusChangedHandler)
{
try
{
ISdkModuleClient moduleClient = await ExecuteWithRetry(
() => this.CreateSdkModuleClient(statusChangedHandler),
Events.RetryingDeviceClientConnection);
Events.DeviceClientCreated();
return(moduleClient);
}
catch (Exception e)
{
Events.DeviceClientSetupFailed(e);
Environment.Exit(1);
return(null);
}
}
async Task <ISdkModuleClient> CreateAndOpenSdkModuleClient(UpstreamProtocol upstreamProtocol, ConnectionStatusChangesHandler statusChangedHandler)
{
ITransportSettings settings = GetTransportSettings(upstreamProtocol, this.proxy);
Events.AttemptingConnectionWithTransport(settings.GetTransportType());
ISdkModuleClient moduleClient = await this.connectionString
.Map(cs => Task.FromResult(this.sdkModuleClientProvider.GetSdkModuleClient(cs, settings)))
.GetOrElse(this.sdkModuleClientProvider.GetSdkModuleClient(settings));
moduleClient.SetProductInfo(this.productInfo);
// note: it's important to set the status-changed handler and
// timeout value *before* we open a connection to the hub
moduleClient.SetOperationTimeoutInMilliseconds(ModuleClientTimeoutMilliseconds);
moduleClient.SetConnectionStatusChangesHandler(statusChangedHandler);
await moduleClient.OpenAsync();
Events.ConnectedWithTransport(settings.GetTransportType());
return(moduleClient);
}