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ULLA (Unified Link Layer API) - access link layer information
ullaSamples
-v | [ -l ] "uql_statement\fR" count period
ullaSamples is a simple command
line utility to print link layer information from ULLA on the screen.
The following parameters are required to perform sampling of link
layer data:
The following options are available:
- -v
- display versioning
information about the ULLA Core and the ULLA Tools version.
- -l
- log screen
output to a file.
- uql_statement
- ULLA Query Language (UQL) statement: The
full UQL lexical and grammatical specification is available in uql(2)
.
However, for the ullaSample tool there are only the following statements
valid:
select_statement this statement is used to display the attribute values
in the select_clause of the statement periodically.
Examples for valid UQL-statments can be found in ullaRequestSample(2)
.
- count
- The count parameter determines the number of notifications fired before
the notification request is auto-cancled. If set to zero the notification
request can be canceled by pressing Crtl-C.
- period
- The period parameter
indicates the time between two evaluations of the UQL statement in milliseconds.
ullaReflection(1)
, ullaAttribute(1)
, ullaCommand(1)
, ullaSample(1)
, ullaNotification(1)
, ullaTools(1)
ulla(2)
, uql(2)
, ullaRequestReflection(2)
,
ullaRequestAttribute(2)
, ullaRequestCommand(2)
, ullaRequestNotification(2)
,
ullaRequestSample(2)
RWTH contribution to the GOLLUM project
(http://www.ist-gollum.org). Compliant with ULLA Tools Version 0.3 (http://ulla.sourceforge.net).
This man page was written by Marten Bandholz (mba@mobnets.rwth-aachen.de).
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