Trace-route message MQCFH (PCF header)

The MQCFH structure describes the PCF information available in the trace-route message. For a full description of MQCFH, including a description of the elementary datatype of each parameter, see MQCFH - PCF header.

For a trace-route message, the MQCFH structure contains the following values:

Type
Description: Structure type that identifies the content of the message.
Datatype: MQLONG.
Value:
MQCFT_TRACE_ROUTE
Message is a trace-route message.
StrucLength
Description: Structure length.
Datatype: MQLONG.
Value:
MQCFH_STRUC_LENGTH
Length in bytes of MQCFH structure.
Version
Description: Structure version number.
Datatype: MQLONG.
Values: MQCFH_VERSION_3
Command
Description: Command identifier. This identifies the category of the message.
Datatype: MQLONG.
Values:
MQCMD_TRACE_ROUTE
Trace-route message.
MsgSeqNumber
Description: Message sequence number. This is the sequence number of the message within a group of related messages.
Datatype: MQLONG.
Values: 1.
Control
Description: Control options.
Datatype: MQLONG.
Values: MQCFC_LAST.
CompCode
Description: Completion code.
Datatype: MQLONG.
Values: MQCC_OK.
Reason
Description: Reason code qualifying completion code.
Datatype: MQLONG.
Values: MQRC_NONE.
ParameterCount
Description: Count of parameter structures. This is the number of parameter structures that follow the MQCFH structure. A group structure (MQCFGR), and its included parameter structures, are counted as one structure only.
Datatype: MQLONG.
Values: 1 or greater.