GPSD Location Agent

Contents

• Features
• Configuration Parameters
• Example XML
• Statistics
• Statistic Tables

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Features

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Configuration Parameters

The following configuration parameters are available to tailor layer functionality:

• pseudoterminalfile

pseudoterminalfile

File to write the name of the created pseudo term.

Type: string
Running-State Modifiable: no
Occurrence Range: [1,1]
Default Value(s): /tmp/gpsdlocation.pty

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Example XML

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE eventagent SYSTEM "file:///usr/share/emane/dtd/eventagent.dtd">
<eventagent library="gpsdlocationagent">
  <param name="pseudoterminalfile" value="/var/lib/gps.pty"/>
</eventagent>

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Statistics

The below statistics can be accessed using emanesh.

Name	Type	Clearable	Description
avgProcessAPIQueueDepth	double	yes	Average API queue depth for a processUpstreamPacket, processUpstreamControl, processDownstreamPacket, processDownstreamControl, processEvent and processTimedEvent.
avgProcessAPIQueueWait	double	yes	Average API queue wait for a processUpstreamPacket, processUpstreamControl, processDownstreamPacket, processDownstreamControl, processEvent and processTimedEvent in microseconds.
avgTimedEventLatency	double	yes
avgTimedEventLatencyRatio	double	yes	Average ratio of the delta between the scheduled timer expiration and the actual firing over the requested duration. An average ratio approaching 1 indicates that timer latencies are large in comparison to the requested durations.
processedConfiguration	uint64	yes
processedDownstreamControl	uint64	yes
processedDownstreamPackets	uint64	yes
processedEvents	uint64	yes
processedTimedEvents	uint64	yes
processedUpstreamControl	uint64	yes
processedUpstreamPackets	uint64	yes

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Statistic Tables

The below statistics can be accessed using emanesh.

Name	Clearable	Description
EventReceptionTable	yes	Received event counts