(SQL Server) Check SSH Connection (IsConnected)

Demonstrates how to check to see if the connection to the SSH server exists.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @ssh int
    -- Use "Chilkat_9_5_0.Ssh" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Ssh', @ssh OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Connect to an SSH server:
    DECLARE @success int
    EXEC sp_OAMethod @ssh, 'Connect', @success OUT, '192.168.1.209', 22
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @ssh, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @ssh
        RETURN
      END

    -- Is the last known state "connected"?
    DECLARE @connected int
    EXEC sp_OAGetProperty @ssh, 'IsConnected', @connected OUT
    IF @connected = 1
      BEGIN
        -- Verify for sure by sending an ignore message.
        EXEC sp_OAMethod @ssh, 'SendIgnore', @connected OUT
      END

    PRINT 'connected = ' + @connected

    -- Disconnect.
    EXEC sp_OAMethod @ssh, 'Disconnect', NULL

    -- Am I still connected?
    EXEC sp_OAGetProperty @ssh, 'IsConnected', @connected OUT

    PRINT 'connected = ' + @connected

    EXEC @hr = sp_OADestroy @ssh


END
GO