/// <summary>
/// Resolves the hostname and checks whether the opened port (if specified) is being opened on the remote host.
/// </summary>
/// <param name="servicesProvider"></param>
/// <returns>IPStatus, if remote host has accepted connection, otherwise unknown. None IP address if host could not be resolved. True if port is being oepened.</returns>
private async Task <Tuple <IPStatus, IPAddress, bool> > TryConnectAsync(ServerServicesProvider servicesProvider)
{
var ipAddress = servicesProvider.DnsResolver.GetIpAddress(_configuration.Hostname);
if (Equals(ipAddress, IPAddress.None))
{
return(new Tuple <IPStatus, IPAddress, bool>(IPStatus.Unknown, IPAddress.None, false));
}
var portOpened = false;
var ipStatus = await servicesProvider.Pinger.PingAsync(ipAddress, _configuration.Timeout);
if (_configuration.Port > 0)
{
await servicesProvider.TcpClient.ConnectAsync(ipAddress, _configuration.Port, _configuration.Timeout);
portOpened = servicesProvider.TcpClient.IsConnected;
}
return(new Tuple <IPStatus, IPAddress, bool>(ipStatus, ipAddress, portOpened));
}
/// <summary>
/// Resolves the hostname and checks whether the opened port (if specified) is being opened on the remote host.
/// </summary>
/// <param name="servicesProvider"></param>
/// <returns>IPStatus, if remote host has accepted connection, otherwise unknown. None IP address if host could not be resolved. True if port is being oepened.</returns>
private async Task<Tuple<IPStatus, IPAddress, bool>> TryConnectAsync(ServerServicesProvider servicesProvider)
{
var ipAddress = servicesProvider.DnsResolver.GetIpAddress(_configuration.Hostname);
if (Equals(ipAddress, IPAddress.None))
return new Tuple<IPStatus, IPAddress, bool>(IPStatus.Unknown, IPAddress.None, false);
var portOpened = false;
var ipStatus = await servicesProvider.Pinger.PingAsync(ipAddress, _configuration.Timeout);
if (_configuration.Port > 0)
{
await servicesProvider.TcpClient.ConnectAsync(ipAddress, _configuration.Port, _configuration.Timeout);
portOpened = servicesProvider.TcpClient.IsConnected;
}
return new Tuple<IPStatus, IPAddress, bool>(ipStatus, ipAddress, portOpened);
}
