/// <summary>
/// Establishes a connection with Cassandra.
/// </summary>
/// <param name="request"></param>
/// <param name="context"></param>
/// <returns>A message indicating connection success</returns>
public override async Task <ConnectResponse> Connect(ConnectRequest request, ServerCallContext context)
{
Logger.SetLogPrefix("connect");
// validate settings passed in
try
{
_server.Settings = JsonConvert.DeserializeObject <Settings>(request.SettingsJson);
_server.Settings.Validate();
}
catch (Exception e)
{
Logger.Error(e, e.Message);
return(new ConnectResponse
{
OauthStateJson = request.OauthStateJson,
ConnectionError = "",
OauthError = "",
SettingsError = e.Message
});
}
// initialize connection factory
try
{
_sessionFactory.Initialize(_server.Settings);
}
catch (Exception e)
{
Logger.Error(e, e.Message);
return(new ConnectResponse
{
OauthStateJson = request.OauthStateJson,
ConnectionError = e.Message,
OauthError = "",
SettingsError = ""
});
}
// test cluster factory
//var conn = _sessionFactory.GetConnection();
var session = Cluster.Builder()
.AddContactPoint(_server.Settings.Hostname).WithPort(Int32.Parse(_server.Settings.Port))
.WithCredentials(_server.Settings.Username, _server.Settings.Password)
.Build();
try
{
session.Connect();
}
catch (Exception e)
{
Logger.Error(e, e.Message);
return(new ConnectResponse
{
OauthStateJson = request.OauthStateJson,
ConnectionError = e.Message,
OauthError = "",
SettingsError = ""
});
}
finally
{
await session.ShutdownAsync();
}
// try
// {
// await conn.OpenAsync();
//
// if (!await conn.PingAsync())
// {
// return new ConnectResponse
// {
// OauthStateJson = request.OauthStateJson,
// ConnectionError = "Unable to ping target database.",
// OauthError = "",
// SettingsError = ""
// };
// }
// }
// catch (Exception e)
// {
// Logger.Error(e, e.Message, context);
//
// return new ConnectResponse
// {
// OauthStateJson = request.OauthStateJson,
// ConnectionError = e.Message,
// OauthError = "",
// SettingsError = ""
// };
// }
// finally
// {
// await conn.CloseAsync();
// }
_server.Connected = true;
return(new ConnectResponse
{
OauthStateJson = request.OauthStateJson,
ConnectionError = "",
OauthError = "",
SettingsError = ""
});
}
