Receive a 16-bit Integer from a Socket

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveInt16, which reads exactly two bytes as a 16-bit integer and stores the result in the ReceivedInt property. Byte order and signedness are selectable.

--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    DECLARE @socket int
    EXEC @hr = sp_OACreate 'Chilkat.Socket', @socket OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    --  Connect to the server using TLS.
    DECLARE @bTls int
    SELECT @bTls = 1
    DECLARE @maxWaitMs int
    SELECT @maxWaitMs = 5000
    EXEC sp_OAMethod @socket, 'Connect', @success OUT, 'example.com', 5000, @bTls, @maxWaitMs
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @socket, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @socket
        RETURN
      END

    --  Read exactly two bytes as a 16-bit integer and store the result in the ReceivedInt property.
    --  The 1st argument selects byte order (1 = big-endian); the 2nd selects unsigned interpretation.
    DECLARE @bBigEndian int
    SELECT @bBigEndian = 1
    DECLARE @bUnsigned int
    SELECT @bUnsigned = 0
    EXEC sp_OAMethod @socket, 'ReceiveInt16', @success OUT, @bBigEndian, @bUnsigned
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @socket, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @socket
        RETURN
      END

    EXEC sp_OAGetProperty @socket, 'ReceivedInt', @iTmp0 OUT
    PRINT 'Received 16-bit integer: ' + @iTmp0

    EXEC @hr = sp_OADestroy @socket


END
GO