/// <summary>
/// Monitors a connection to IB in the background. Waits until a signal is
/// received to exit the program.
/// </summary>
/// <param name="opts">The parsed command line options.</param>
private async Task Run(Options opts)
{
using var _ = new IbClient(
opts.Host, opts.Port, opts.ClientId, opts.PagerTreeIntegrationId);
await _exitEvent.WaitAsync();
await ConsoleX.WriteLineAsync("Goodbye");
}
/// <summary>
/// Continuously checks the health of a connection to IB.
/// </summary>
/// <param name="host">The host to connect to.</param>
/// <param name="port">The port to connect to.</param>
/// <param name="clientId">The client ID to connect as.</param>
/// <param name="pagerTreeIntId">The PagerTree integration ID to notify when
/// there is an error connecting to IB.</param>
/// <param name="token">The token to check to end the task.</param>
private static async Task Run(
string host, int port, int clientId, string pagerTreeIntId,
CancellationToken token)
{
Incident incident = null;
ITwsControllerBase tws = null;
var connected = false;
while (!token.IsCancellationRequested)
{
try
{
if (tws is null)
{
var ip = await GetIpAddress(host, token);
tws = new TwsObjectFactory(ip.ToString(), port, clientId)
.TwsController;
}
await CheckConnection(tws, token);
await tws.RequestPositions();
if (incident != null)
{
await incident.Resolve(token);
incident = null;
await ConsoleX.WriteLineAsync(
"Resolved PagerTree incident", token);
}
if (!connected)
{
await ConsoleX.WriteLineAsync("Active", token);
connected = true;
}
}
catch (Exception e)
{
tws = null;
connected = false;
if (incident is null && !string.IsNullOrEmpty(pagerTreeIntId))
{
incident = new Incident(
pagerTreeIntId, "IB is down", e.Message);
await incident.Notify(token);
await ConsoleX.WriteErrorLineAsync(
"Created PagerTree incident", token);
}
await ConsoleX.WriteErrorLineAsync(
e.Message, token);
}
await Task.Delay(Sleep, token);
}
}