Re: [gpsd-users] gpsfake doesn't reach the target

[Christian Pietzsch]

I'm not sure. I'm not that deep into this topic.

Here is the output of netstat directly on the target device:
netstat -npl
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:2947            0.0.0.0:*               LISTEN      651/gpsd       
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1255/sshd      
tcp6       0      0 :::2947                 :::*                    LISTEN      651/gpsd       
tcp6       0      0 :::22                   :::*                    LISTEN      1255/sshd      
udp        0      0 0.0.0.0:43834           0.0.0.0:*                           654/dhclient   
udp        0      0 0.0.0.0:323             0.0.0.0:*                           653/chronyd    
udp        0      0 0.0.0.0:68              0.0.0.0:*                           654/dhclient   
udp        0      0 0.0.0.0:123             0.0.0.0:*                           653/chronyd    
udp6       0      0 :::323                  :::*                                653/chronyd    
udp6       0      0 :::123                  :::*                                653/chronyd    
udp6       0      0 :::41467                :::*                                654/dhclient  

2015-08-27 15:19 GMT+02:00 Jon Schlueter <address@hidden>:

was it listening on 127.0.0.1/0.0.0.0 (internal) or was it listening on the
external IP Address where you can see it from another machine?  I
 believe GPSD by default doesn't listen on external IP addresses

Jon

On Thu, Aug 27, 2015 at 8:35 AM, Christian Pietzsch <address@hidden> wrote:

Hello,

At the moment I'm trying to run gpsfake on one Ubuntu laptop and listen to it from another device over tcp. I'm using port 2947 for it. If I use gpsmon with localhost I can see that gpsfake is working. But if I try to connect from another device with gpsmon it simply doesn't show anything. There is no error message or output.

If I use gpspipe it shows sentences like these:
 $GNGGA,121148.00,,,,,0,00,99.99,,,,,,*77
$GNGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99*2E
$GNGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99*2E
$GNGLL,,,,,121148.00,V,N*5B
$GNGST,121148.00,0.0000,,,,240280,240248,41863*4A
$GNZDA,121148.00,27,08,2015,00,00*7C
$GNRMC,121148.20,V,,,,,,,270815,,,N*67
$GNVTG,,,,,,,,,N*2E

I checked which ports the device is listening and port 2947 was listed.

Does someone know what might cause the problem?

Thanks in advance

Christian

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