Difference between revisions of "/Elog ODB tree"

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= Purpose  =
 
= Purpose  =
The ODB <span style="color: purple; font-style:italic;">/Elog</span> tree contains the information necessary to run the [[Electronic Logbook (ELOG)]], which is implemented through [[Mhttpd]]. By default, the '''built-in''' (or internal) elog is created. If an '''external''' elog is required, it must be installed (see [[Electronic Logbook (ELOG)#External Elog|External Elog]])and will '''replace''' the built-in elog. No setup is needed for the built-in elog.
+
The ODB <span style="color: purple; font-style:italic;">/Elog</span> tree contains the information necessary to run the [[Electronic Logbook (ELOG)]], which is implemented through [[Mhttpd]]. By default, the '''built-in''' (or internal) elog is created. The '''built-in''' elog is set up through the <span style="color: purple; font-style:italic;">/Elog</span> tree.
 +
 
 +
 
 +
If an '''external''' elog is required, it must be installed (see [[Electronic Logbook (ELOG)#External Elog|External Elog]]) and will '''replace''' the built-in elog. Two optional keys [[#Url|Url]] and [[#Logbook Dir|Logbook Dir]] must be created in the <span style="color: purple; font-style:italic;">/Elog</span> tree when using an '''external''' elog. The '''external''' elog is set up through the [[Electronic Logbook (ELOG)#Configuration file elogd.cfg|configuration file]] rather than the {{Odbpath|path=/Elog}} tree.
  
 
= Location of ELOG Files =
 
= Location of ELOG Files =
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Creating a New message (by clicking on the <span style="color: #444444; background-color: #CCCCCC; font-style:italic; font-size: 90; padding:0.25em;
 
Creating a New message (by clicking on the <span style="color: #444444; background-color: #CCCCCC; font-style:italic; font-size: 90; padding:0.25em;
 
padding-left: 0.5em;padding-right: 0.5em;border:1px solid #808080;border-radius: 5px;margin-bottom:1px;">New</span>  button
 
padding-left: 0.5em;padding-right: 0.5em;border:1px solid #808080;border-radius: 5px;margin-bottom:1px;">New</span>  button
on the [[Elog Page]] results in the full /Elog tree being created, i.e.
+
on the '''Built-in''' [[Elog Page]] results in the full /Elog tree being created, i.e.
  
 
  [local:test:S]/>ls -lrt /elog
 
  [local:test:S]/>ls -lrt /elog
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     Email DAQ                  STRING  1    32    28s  0  RWD  abe@triumf.ca, cal@triumf.ca
 
     Email DAQ                  STRING  1    32    28s  0  RWD  abe@triumf.ca, cal@triumf.ca
 
     SMTP host                  STRING  1    32    53m  0  RWD  localhost
 
     SMTP host                  STRING  1    32    53m  0  RWD  localhost
 +
 +
For '''External''' Elog see [[#Note|note]].
  
 
=== Example 4 - External elog ===
 
=== Example 4 - External elog ===
 
If running an '''External''' elog, the following keys must be added by the user:
 
If running an '''External''' elog, the following keys must be added by the user:
  
     Url                        STRING 1    64    >99d 0  RWD  http://isdaq60.triumf.ca:8089/BNMRonline/
+
     External Elog              BOOL 1    64    >99d 0  RWD  y
 
     Logbook Dir                STRING  1    64    >99d 0  RWD  /data1/elog/logbook/
 
     Logbook Dir                STRING  1    64    >99d 0  RWD  /data1/elog/logbook/
 
  
 
== Keys in <span style="color: purple;">''/Elog''</span> tree==
 
== Keys in <span style="color: purple;">''/Elog''</span> tree==
  
 
The keys in the ODB <span style="color: purple;">''/Elog tree''</span>  
 
The keys in the ODB <span style="color: purple;">''/Elog tree''</span>  
are described in the following sections. Except where noted, the keys are used by either built-in or external elog.
+
are described in the following sections. Except where noted, the keys are used by the '''Built-in''' elog only. The
 
+
[[Electronic Logbook (ELOG)#Configuration file elogd.cfg|configuration file]] is used to setup the '''External''' elog.
 
=== <span style="color: purple;">''Display Run number ''</span>  ===
 
=== <span style="color: purple;">''Display Run number ''</span>  ===
 
<div style="column-count:3;-moz-column-count:3;-webkit-column-count:3">
 
<div style="column-count:3;-moz-column-count:3;-webkit-column-count:3">
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* '''Default:'''  y
 
* '''Default:'''  y
 
</div>  
 
</div>  
This key in the [[#top|/Elog tree]] enables or disables the automatic display of the run number in the elog entry. This key is set to 'y' when the tree is created.
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This key in the [[#top|/Elog tree]] enables or disables the automatic display of the run number in the '''Built-in''' elog entry. This key is set to 'y' when the tree is created.
 +
 
 +
For '''External''' elog see [[#Note|note]].
 +
 
  
 
<br>
 
<br>
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* '''Default:'''  n
 
* '''Default:'''  n
 
</div>  
 
</div>  
This key in the [[#top|/Elog tree]] enables or disables allowing the user to delete an elog entry. This key is set to 'n' when the tree is created.
+
This key in the [[#top|/Elog tree]] enables or disables allowing the user to delete an elog entry. This key is set to 'n' when the tree is created.
 +
 
 +
For '''External''' elog see [[#Note|note]].  
  
 
<br>
 
<br>
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* '''Default:'''  8h 24h 7d
 
* '''Default:'''  8h 24h 7d
 
</div>  
 
</div>  
This key in the [[#top|/Elog tree]] causes buttons to be created on the [[Elog Page]] to permit the user to easily recall Elog messages for up to four possible time spans. [[#Example 1 - The /elog tree|Example 1]] shows three time spans; all messages in the last 8 hours, 24 hours, or 7 days can be recalled by pressing the appropriate button. The user may customize by editing this key.
+
This key in the [[#top|/Elog tree]] causes buttons to be created on the [[Elog Page]] to permit the user to easily recall Elog messages for up to four possible time spans. [[#Example 1 - The /elog tree|Example 1]] shows three time spans; all messages in the last 8 hours, 24 hours, or 7 days can be recalled by pressing the appropriate button.
 +
 
 +
For '''External''' elog see [[#Note|note]].  
 +
 
  
 
<br>
 
<br>
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The default '''Types''' are shown in [[#Example 2 - Types and Systems|Example 2]].
 
The default '''Types''' are shown in [[#Example 2 - Types and Systems|Example 2]].
 +
 +
For '''External''' elog see [[#Note|note]].
 +
 
<br>
 
<br>
 
--------
 
--------
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The default '''Systems''' are shown in [[#Example 2 - Types and Systems|Example 2]].
 
The default '''Systems''' are shown in [[#Example 2 - Types and Systems|Example 2]].
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 +
For '''External''' elog see [[#Note|note]].
 +
 
<br>
 
<br>
 
--------
 
--------
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</div>  
 
</div>  
 
This key in the [[#top|/Elog tree]] contains the name of the host machine. It is created and filled automatically when the elog tree is created.
 
This key in the [[#top|/Elog tree]] contains the name of the host machine. It is created and filled automatically when the elog tree is created.
 +
 
<br>
 
<br>
 
--------
 
--------
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This optional key in the [[#top|/Elog tree]] contains the name of the SMTP host machine for sending out email. It must be created and filled by the user if any email is to be sent out apprising user(s) of new Elog messages  
 
This optional key in the [[#top|/Elog tree]] contains the name of the SMTP host machine for sending out email. It must be created and filled by the user if any email is to be sent out apprising user(s) of new Elog messages  
 
(see key [[#Email <type/system>|Email <type/system>]]).
 
(see key [[#Email <type/system>|Email <type/system>]]).
 +
 +
For '''External''' elog see [[#Note|note]].
 
<br>
 
<br>
 
--------
 
--------
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as in [[#Example 3 - Sending email|example 3]]) , email containing the new elog entry will be sent automatically if the new message has selected System "DAQ".
 
as in [[#Example 3 - Sending email|example 3]]) , email containing the new elog entry will be sent automatically if the new message has selected System "DAQ".
 
   
 
   
 +
For '''External''' elog see [[#Note|note]].
 
<br>
 
<br>
 
--------
 
--------
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* '''Default:'''   
 
* '''Default:'''   
 
</div>  
 
</div>  
This optional key in the [[#top|/Elog tree]] contains the URL of the host machine that is running the '''External''' elog. It is created and filled by the user (see [[#Example 4 - External email|example 4]]). If using an '''External''' elog, this key '''must''' be present; the elog information will be redirected to the external elog.
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This optional key in the [[#top|/Elog tree]] contains the URL of the host machine that is running the '''External''' elog. It is created and filled by the user (see [[#Example 4 - External email|example 4]]). If using an '''External''' elog, this key '''must''' be present; the elog information will be redirected to the external elog. The '''Built-in''' elog will ignore this key.
  
 
If using an '''Built-in''' Elog, this key must NOT be present.
 
If using an '''Built-in''' Elog, this key must NOT be present.
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* '''Default:'''   
 
* '''Default:'''   
 
</div>  
 
</div>  
This optional key in the [[#top|/Elog tree]] contains the path of a directory to contain the elog files when running the '''External''' elog. It is created and filled by the user (see [[#Example 4 - External email|example 4]]). If using an '''External''' elog, this key is required.
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This optional key in the [[#top|/Elog tree]] contains the path of a directory to contain the elog files when running the '''External''' elog. It is created and filled by the user (see [[#Example 4 - External email|example 4]]).  
  
If using an '''Built-in''' Elog, this key is not present.
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If using an '''Built-in''' Elog, this key is ignored.
  
 
   
 
   
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<br>
 
<br>
  
 +
--------------------------------------------------------------------------------------------
 +
<div id="Note"></div>
 +
Note;
 +
: This feature can be found in the [[Electronic Logbook (ELOG)#Configuration file elogd.cfg|configuration file]] for the '''External''' elog.
  
[[Category:ODB Tree]]
+
[[Category:ODB Tree]] [[Category:ELOG]]

Latest revision as of 09:23, 25 January 2021


Links

Creating the /Elog tree

The /Elog tree is created automatically the first time the ELOG button on the mhttpd Status Page is pressed.

Purpose

The ODB /Elog tree contains the information necessary to run the Electronic Logbook (ELOG), which is implemented through Mhttpd. By default, the built-in (or internal) elog is created. The built-in elog is set up through the /Elog tree.


If an external elog is required, it must be installed (see External Elog) and will replace the built-in elog. Two optional keys Url and Logbook Dir must be created in the /Elog tree when using an external elog. The external elog is set up through the configuration file rather than the /Elog tree.

Location of ELOG Files

By default, built-in elog files are written into the directory path given by the ODB key /Logger/Data dir.

This location can be changed by use of the ODB Key /Logger/Elog dir. This key is optional and doesn't appear by default in the //Logger tree, but can be created by the user if desired. If this key is present, the location of the Internal Electronic logbook (Elog) files is reassigned to the defined path.

If using an external Elog, the location of the files are given by the ODB key Logbook Dir


Examples

Example 1 - The /elog tree

When initially created (see above) the /Experiment tree contains the following keys:

[local:midas:S]/>ls -lrt /elog
Key name                        Type    #Val  Size  Last Opn Mode Value
---------------------------------------------------------------------------
Elog                            DIR
   Display run number          BOOL    1     4     17m  0   RWD  y
   Allow delete                BOOL    1     4     17m  0   RWD  n
   Buttons                     STRING  3     32    17m  0   RWD
                                       [0]             8h
                                       [1]             24h
                                       [2]             7d
  

Example 2 - Types and Systems

Creating a New message (by clicking on the New button on the Built-in Elog Page results in the full /Elog tree being created, i.e.

[local:test:S]/>ls -lrt /elog
Key name                        Type    #Val  Size  Last Opn Mode Value
---------------------------------------------------------------------------
Elog                            DIR
   Display run number          BOOL    1     4     13m  0   RWD  y
   Allow delete                BOOL    1     4     13m  0   RWD  n
   Buttons                     STRING  3     32    13m  0   RWD
                                       [0]             8h
                                       [1]             24h
                                       [2]             7d
   Types                       STRING  20    32    9m   0   RWD
                                       [0]             Routine
                                       [1]             Shift summary
                                       [2]             Minor error
                                       [3]             Severe error
                                       [4]             Fix
                                       [5]             Question
                                       [6]             Info
                                       [7]             Modification
                                       [8]             Reply
                                       [9]             Alarm
                                       [10]            Test
                                       [11]            Other
                                       [12]
                                       [13]
                                       [14]
                                       [15]
                                       [16]
                                       [17]
                                       [18]
                                       [19]
   Systems                     STRING  20    32    9m   0   RWD
                                       [0]             General
                                       [1]             DAQ
                                       [2]             Detector
                                       [3]             Electronics
                                       [4]             Target
                                       [5]             Beamline
                                       [6]
                                       [7]
                                       [8]
                                       [9]
                                       [10]
                                       [11]
                                       [12]
                                       [13]
                                       [14]
                                       [15]
                                       [16]
                                       [17]
                                       [18]
                                       [19]
   Host name                   STRING  1     256   9m   0   RWD  dasdevpc2.triumf.ca

Example 3 - Sending email

The user can optionally add keys so that email is sent to users when messages with particular Type or System are created, e.g.

   Email Severe error          STRING  1     32    57s  0   RWD  midas@triumf.ca
   Email DAQ                   STRING  1     32    28s  0   RWD  abe@triumf.ca, cal@triumf.ca
   SMTP host                   STRING  1     32    53m  0   RWD  localhost

For External Elog see note.

Example 4 - External elog

If running an External elog, the following keys must be added by the user:

   External Elog               BOOL  1     64    >99d 0   RWD  y
   Logbook Dir                 STRING  1     64    >99d 0   RWD  /data1/elog/logbook/

Keys in /Elog tree

The keys in the ODB /Elog tree are described in the following sections. Except where noted, the keys are used by the Built-in elog only. The configuration file is used to setup the External elog.

Display Run number

  • Type: BOOL
  • Default: y

This key in the /Elog tree enables or disables the automatic display of the run number in the Built-in elog entry. This key is set to 'y' when the tree is created.

For External elog see note.





Allow delete

  • Type: BOOL
  • Default: n

This key in the /Elog tree enables or disables allowing the user to delete an elog entry. This key is set to 'n' when the tree is created.

For External elog see note.




Buttons

  • Type: STRING ARRAY
  • Default: 8h 24h 7d

This key in the /Elog tree causes buttons to be created on the Elog Page to permit the user to easily recall Elog messages for up to four possible time spans. Example 1 shows three time spans; all messages in the last 8 hours, 24 hours, or 7 days can be recalled by pressing the appropriate button.

For External elog see note.






Types

This key in the /Elog tree causes a drop-down list of Message Types to be created on the Elog Page containing the list of message types defined by the Types array. The user selects one of these message types when creating a message. The message types can be customized by editing the Types key.

The default Types are shown in Example 2.

For External elog see note.




Systems

This key in the /Elog tree causes a drop-down list of Systems to be created on the Elog Page containing the list of systems defined by the Systems array. The user selects one of these systems when creating a message. The systems can be customized by editing the Systems key.

The default Systems are shown in Example 2.

For External elog see note.




Host name

  • Type: STRING
  • Default: e.g. myhost.triumf.ca

This key in the /Elog tree contains the name of the host machine. It is created and filled automatically when the elog tree is created.




SMTP host

  • Type: STRING
  • Default: localhost

This optional key in the /Elog tree contains the name of the SMTP host machine for sending out email. It must be created and filled by the user if any email is to be sent out apprising user(s) of new Elog messages (see key Email <type/system>).

For External elog see note.



Email <type/system>

  • Type: STRING
  • Default: email address(es) of user(s)

These optional keys in the /Elog tree are created if email is to be sent out when a new ELOG message for a particular Type or System is created. The Type or System name must appear in the Types or Systems array. For email to be sent out, the key SMTP host must also be defined.

For example, if Type "Severe error" is defined, then if ODB key Email Severe Error is created containing suitable email address(es) (see example 3) , if a new message is created of Type "Severe error", then email containing the new elog entry will be sent automatically to the listed email address(es).

Similarly, if System "DAQ" is defined, then if ODB key Email DAQ is created as in example 3) , email containing the new elog entry will be sent automatically if the new message has selected System "DAQ".

For External elog see note.



Url

  • Type: STRING
  • Default:

This optional key in the /Elog tree contains the URL of the host machine that is running the External elog. It is created and filled by the user (see example 4). If using an External elog, this key must be present; the elog information will be redirected to the external elog. The Built-in elog will ignore this key.

If using an Built-in Elog, this key must NOT be present.





Logbook Dir

  • Type: STRING
  • Default:

This optional key in the /Elog tree contains the path of a directory to contain the elog files when running the External elog. It is created and filled by the user (see example 4).

If using an Built-in Elog, this key is ignored.






Note;

This feature can be found in the configuration file for the External elog.