3.178.1 VCB Structure

typedef struct set_tn_server_trace
{
   AP_UINT16        opcode;                      /* verb operation code      */
   unsigned char    reserv2;                     /* reserved                 */
   unsigned char    format;                      /* reserved                 */
   AP_UINT16        primary_rc;                  /* primary return code      */
   AP_UINT32        secondary_rc;                /* secondary return code    */
   AP_UINT16        trace_flags;                 /* trace flags              */
   unsigned char    reserv3[6];                  /* reserved                 */
} SET_TN_SERVER_TRACE;

3.178.2 Supplied Parameters

The application supplies the following parameters:

opcode

AP_SET_TN_SERVER_TRACE

trace_flags

The types of tracing required. To turn off all tracing, or to turn on tracing of all types, specify one of the following values:

AP_TN_SERVER_NO_TRACE

No tracing.

AP_TN_SERVER_ALL_TRACE

Tracing of all types.

To activate tracing on specific message types, select one or more values from the list below, combined using a logical OR operation.

AP_TN_SERVER_TRC_TCP

TCP/IP interface tracing: messages between TN server and TN3270 clients

AP_TN_SERVER_TRC_FM

Node interface tracing: internal control messages, and messages between TN server and TN3270 clients (in internal format)

AP_TN_SERVER_TRC_CFG

Configuration message tracing: messages relating to the configuration of TN server

AP_TN_SERVER_TRC_NOF

Internal node operator function (NOF) tracing: trace NOF requests made by TN server.

3.178.3 Returned Parameters: Successful Execution

If the verb executes successfully, SNAP-IX returns the following parameters:

primary_rc

AP_OK

secondary_rc

Not used.

3.178.4 Returned Parameters: Other Conditions

Common Return Codes lists further combinations of primary and secondary return codes that are common to all NOF verbs.