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.