(SQL Server) Send Bytes on a Socket Connection

Demonstrates how to send a mixture of binary (non-text) and text bytes on a socket connection.

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)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @socket int
    -- Use "Chilkat_9_5_0.Socket" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Socket', @socket OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Connect to some host:port
    DECLARE @ssl int
    SELECT @ssl = 0
    DECLARE @maxWaitMillisec int
    SELECT @maxWaitMillisec = 20000
    DECLARE @port int
    SELECT @port = 5555
    DECLARE @success int
    EXEC sp_OAMethod @socket, 'Connect', @success OUT, 'test.com', @port, @ssl, @maxWaitMillisec
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @socket, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @socket
        RETURN
      END

    -- We wish to send a 0x00 byte followed by the us-ascii string "10800"
    DECLARE @bd int
    -- Use "Chilkat_9_5_0.BinData" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @bd OUT

    EXEC sp_OAMethod @bd, 'AppendByte', @success OUT, 0
    EXEC sp_OAMethod @bd, 'AppendString', @success OUT, '10800', 'utf-8'

    -- Send the entire contents of bd.
    EXEC sp_OAMethod @socket, 'SendBd', @success OUT, @bd, 0, 0
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @socket, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @socket
        EXEC @hr = sp_OADestroy @bd
        RETURN
      END

    EXEC @hr = sp_OADestroy @socket
    EXEC @hr = sp_OADestroy @bd


END
GO