SQL Server

Query NTP Server for Current Date/Time

Demonstrates how to query an NTP server to get the current date/time.

Note: This feature was added in Chilkat v9.5.0.96.

SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- Specify the NTP server domain.
    -- Information is passed in a JSON object to allow for any unanticipated future optional information that might need to be provided.
    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'ntp_server', 'pool.ntp.org'

    -- Query the NTP server for the current date/time.
    DECLARE @dt int
    EXEC @hr = sp_OACreate 'Chilkat.CkDateTime', @dt OUT

    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    EXEC sp_OAMethod @dt, 'SetFromNtpServer', @success OUT, @sTmp0
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @dt, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @dt
        RETURN
      END

    -- Show the date/time in various formats..
    DECLARE @bLocalTime int
    SELECT @bLocalTime = 1
    EXEC sp_OAMethod @dt, 'GetAsTimestamp', @sTmp0 OUT, @bLocalTime
    PRINT @sTmp0
    EXEC sp_OAMethod @dt, 'GetAsRfc822', @sTmp0 OUT, @bLocalTime
    PRINT @sTmp0
    EXEC sp_OAMethod @dt, 'GetAsUnixTime', @iTmp0 OUT, @bLocalTime
    PRINT @iTmp0

    -- Sample output:

    -- 2023-10-31T09:43:27-05:00
    -- Tue, 31 Oct 2023 09:43:27 -0500
    -- 1698745407

    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @dt


END
GO