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Difference between revisions of "Tracing AlphaCom data communication"

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(→‎Collect log data)
(→‎Log to file)
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=== Log to file ===
 
=== Log to file ===
 
In PuTTY select '''Session''' > '''Logging'''. Enable '''All session output''', and choose a file name:
 
In PuTTY select '''Session''' > '''Logging'''. Enable '''All session output''', and choose a file name:
 +
 +
 +
The output should look something like this:
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 +
 +
Data Format Description:
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 +
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=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2015.12.21 15:28:47 =~=~=~=~=~=~=~=~=~=~=~=
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74 2 1450708072 439 13  0200 F141
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74 2 1450708072 440 13  02D1 F141
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74 2 1450708072 730 13  02D0 F141
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74 2 1450708074 341 13  02D2 F141
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74 2 1450708074 482 13  0200 F102
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74 2 1450708074 483 28  0503 F141 F102 0000 0000
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74 2 1450708080 65 28  0504 F141 F102 0000 0000
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74 2 1450708082 854 13  0206 F102
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74 2 1450708082 856 13  0201 F102
 +
74 2 1450708082 866 13  0206 F141
 +
74 2 1450708082 867 13  0201 F141
 +
74 2 1450708091 368 13  0200 F102
 +
74 2 1450708091 369 13  0200 F140
 +
74 1 1450708091 369 13 I F102 F140
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74 2 1450708091 458 28  0504 F102 F140 0000 0000
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74 1 1450708101 355 8 Q F140
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74 2 1450708101 651 13  0206 F102
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74 2 1450708101 652 13  0201 F102
 +
74 2 1450708101 665 13  0206 F140
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74 2 1450708101 666 13  0201 F140
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72 2 1444986721 363 23 007 smsg 009 sbl 0 00F
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Parameter
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Description
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72 Protocol number 72 = DIP
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2
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Data From AMC (1 = read, 2 = write)
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1444986721
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Seconds since  Epoch
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363
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Milli Seconds
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17 Number of bytes payload (one space after length not counted)
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007 smsg 009 sbl 0 00F
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 +
payload
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 +
:

Revision as of 15:21, 21 December 2015

As from AMC version 11.5.3.1 it is possible to trace the data on the MPC protocol. Both input and output data can be traced, including time stamp. This can be useful for troubleshooting.

Modify the configuration file for logging

A configuration file for logging of data communication is located on the AMC-IP board, in the location /opt/amc/config/amx_trace_.txt. The configuration file is checked every 2 seconds and changes applied.

Use WinSCP to connect to the AlphaCom (user: root, password: root), and navigate to /opt/amc/config/. Doubleclick the amx_trace_.txt file, and modify the file.

  1. Specify the port number to be used for the trace connection (Note that this is a different port than the external application is using for MPC data)
  2. Remove the "#" in front of 74 to enable MPC data trace
  3. Save the file
  4. Rename the file from amx_trace_.txt to amx_trace.txt (I.e. remove the last "underscore").
Define the TCP port number to be used, and enable 74 by removing the "#"


Define TCP port for logging in AlphaWeb

In AlphaWeb, System Configuration -> Filters, select Add Filters and add the same TCP port as defined in the configuration file above. Remember to Enable the port, and to Apply the settings.


Collect log data

Collect the trace data from AlphaCom by using the Telnet/SSH client program PuTTY.

Connection setup

  • Host Name: The IP Address of the AlphaCom (e.g 10.5.101.30)
  • Port: The port number defined in the configuration file (e.g. 12345)
  • Connection type: Raw

Log to file

In PuTTY select Session > Logging. Enable All session output, and choose a file name:


The output should look something like this:


Data Format Description: 


=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2015.12.21 15:28:47 =~=~=~=~=~=~=~=~=~=~=~=
74 2 1450708072 439 13  0200 F141 
74 2 1450708072 440 13  02D1 F141 
74 2 1450708072 730 13  02D0 F141 
74 2 1450708074 341 13  02D2 F141 
74 2 1450708074 482 13  0200 F102 
74 2 1450708074 483 28  0503 F141 F102 0000 0000 
74 2 1450708080 65 28  0504 F141 F102 0000 0000 
74 2 1450708082 854 13  0206 F102 
74 2 1450708082 856 13  0201 F102 
74 2 1450708082 866 13  0206 F141 
74 2 1450708082 867 13  0201 F141 
74 2 1450708091 368 13  0200 F102 
74 2 1450708091 369 13  0200 F140 
74 1 1450708091 369 13 I F102 F140
74 2 1450708091 458 28  0504 F102 F140 0000 0000 
74 1 1450708101 355 8 Q F140
74 2 1450708101 651 13  0206 F102 
74 2 1450708101 652 13  0201 F102 
74 2 1450708101 665 13  0206 F140 
74 2 1450708101 666 13  0201 F140





72 2 1444986721 363 23 007 smsg 009 sbl 0 00F

Parameter

Description 72 Protocol number 72 = DIP 2

Data From AMC (1 = read, 2 = write)

1444986721

Seconds since Epoch

363

Milli Seconds 17 Number of bytes payload (one space after length not counted)

007 smsg 009 sbl 0 00F

payload 

:
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