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DataFlex

Use an Existing Socket Connection for REST

See more REST Examples

Demonstrates Rest.UseConnection, which supplies an already-connected Socket as the transport for REST requests instead of calling Connect. This is useful when the connection must be established with specific socket options or shared across objects.

Background. Rest can operate over any connected socket. The second argument enables automatic reconnection so a dropped connection is transparently re-established between requests.

Chilkat DataFlex Downloads

DataFlex
Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Variant vSocket
    Handle hoSocket
    Boolean iBSsl
    Handle hoRest
    Boolean iBAutoReconnect
    String sResponseText
    String sTemp1
    Boolean bTemp1

    Move False To iSuccess

    //  Demonstrates supplying an already-connected socket for the REST transport.  This is useful when
    //  the connection must be established with specific socket options, or reused across objects.

    Get Create (RefClass(cComChilkatSocket)) To hoSocket
    If (Not(IsComObjectCreated(hoSocket))) Begin
        Send CreateComObject of hoSocket
    End
    Move True To iBSsl
    Get ComConnect Of hoSocket "example.com" 443 iBSsl 5000 To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoSocket To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatRest)) To hoRest
    If (Not(IsComObjectCreated(hoRest))) Begin
        Send CreateComObject of hoRest
    End

    //  Use the connected socket as the transport.  The 2nd argument enables automatic reconnection.
    Move True To iBAutoReconnect
    Get pvComObject of hoSocket to vSocket
    Get ComUseConnection Of hoRest vSocket iBAutoReconnect To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComFullRequestNoBody Of hoRest "GET" "/api/status" To sResponseText
    Get ComLastMethodSuccess Of hoRest To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln sResponseText


End_Procedure