(Visual FoxPro) Get Current Date/Time from NIST Time Server

Demonstrates using Chilkat Socket to connect to an NIST time server and (using the old Time Protocol (RFC 868)), will read the current GMT time.

Note: This is not necessarily the very best means for getting the current date/time. The most commonly used time protocol is the Network Time Protocol (RFC-1305).

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

LOCAL loSocket
LOCAL lnMaxWaitMs
LOCAL lnUseTls
LOCAL lnSuccess
LOCAL lnBigEndian
LOCAL loDt
LOCAL lnBLocalTime

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

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Socket')
loSocket = CreateObject('Chilkat.Socket')

* Connect to an NIST time server and read the current date/time
lnMaxWaitMs = 4000
lnUseTls = 0
lnSuccess = loSocket.Connect("time-c.nist.gov",37,lnUseTls,lnMaxWaitMs)
IF (lnSuccess <> 1) THEN
    ? loSocket.LastErrorText
    RELEASE loSocket
    CANCEL
ENDIF

* The time server will send a big-endian 32-bit integer representing
* the number of seconds since since 00:00 (midnight) 1 January 1900 GMT.
* The ReceiveInt32 method will receive a 4-byte integer, but returns
* 1 or 0 to indicate success.  If successful, the integer
* is obtained via the ReceivedInt property.
lnBigEndian = 1
lnSuccess = loSocket.ReceiveInt32(lnBigEndian)
IF (lnSuccess <> 1) THEN
    ? loSocket.LastErrorText
    RELEASE loSocket
    CANCEL
ENDIF

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.CkDateTime')
loDt = CreateObject('Chilkat.CkDateTime')
loDt.SetFromNtpTime(loSocket.ReceivedInt)

* Show the current local date/time
lnBLocalTime = 1
? "Current local date/time: " + loDt.GetAsRfc822(lnBLocalTime)

lnMaxWaitMs = 10
loSocket.Close(lnMaxWaitMs)

RELEASE loSocket
RELEASE loDt