Issues tests commands to HTTP, RDBMS, Redis and SMTP.

Issues SELECT 1 to a database server and checks for any errors.

using ConnectedLibrary;

if (Connected.Rdbms("ConnectionStringName"))
{
   // Ready to go
}

Issues a PING to a Redis server and checks for a PONG.

using ConnectedLibrary;

if (Connected.Redis("example.org", 6379))
{
   // Ready to go
}

Issues a GET request to a HTTP server and checks for a status code in the 200 family.

if (Connected.Redis("http://example.org"))
{
    // Ready to go
}

Issues a HELO to a SMTP server and checks for a reply code of 200, 220 or 250.

using ConnectedLibrary;

if (Connected.Smtp("example.org", 25))
{
   // Ready to go
}