private async Task Run(string host, int port, CancellationToken token)
{
Socket socket = null;
Incident incident = null;
while (!token.IsCancellationRequested)
{
try
{
socket ??= await Connect(host, port, token);
if (!socket.Connected)
{
throw new SocketException((int)SocketError.NotConnected);
}
var _ = await socket.GetMessage(ConnectionTimeout, token);
if (incident != null)
{
await incident.Resolve(token);
incident = null;
await ConsoleX.WriteLineAsync(
"Resolved PagerTree incident", token);
}
await ConsoleX.WriteLineAsync("Active", token);
while (!token.IsCancellationRequested)
{
await socket.GetMessage(ConnectionTimeout, token);
}
}
catch (SocketException e)
{
await ConsoleX.WriteErrorLineAsync(e.Message, token);
if (incident is null && !string.IsNullOrEmpty(PagerTreeIntId))
{
incident = new Incident(
PagerTreeIntId, "IQFeed is down", e.Message);
await incident.Notify(token);
await ConsoleX.WriteLineAsync(
"Created PagerTree incident", token);
}
if (socket != null)
{
await socket.CloseAsync(token);
socket = null;
}
}
await Task.Delay(Sleep, token);
}
}
/// <summary>
/// Maintains a connection to IQFeed continuously 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 IqfeedClient(
opts.Host, opts.Port, opts.PagerTreeIntegrationId);
await _exitEvent.WaitAsync();
await ConsoleX.WriteLineAsync("Goodbye");
}